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RBI Assistant Mains Mock Test - 7 - Bank Exams MCQ


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30 Questions MCQ Test RBI Assistant Mock Test Series & Past Year Papers 2024 - RBI Assistant Mains Mock Test - 7

RBI Assistant Mains Mock Test - 7 for Bank Exams 2024 is part of RBI Assistant Mock Test Series & Past Year Papers 2024 preparation. The RBI Assistant Mains Mock Test - 7 questions and answers have been prepared according to the Bank Exams exam syllabus.The RBI Assistant Mains Mock Test - 7 MCQs are made for Bank Exams 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for RBI Assistant Mains Mock Test - 7 below.
Solutions of RBI Assistant Mains Mock Test - 7 questions in English are available as part of our RBI Assistant Mock Test Series & Past Year Papers 2024 for Bank Exams & RBI Assistant Mains Mock Test - 7 solutions in Hindi for RBI Assistant Mock Test Series & Past Year Papers 2024 course. Download more important topics, notes, lectures and mock test series for Bank Exams Exam by signing up for free. Attempt RBI Assistant Mains Mock Test - 7 | 200 questions in 135 minutes | Mock test for Bank Exams preparation | Free important questions MCQ to study RBI Assistant Mock Test Series & Past Year Papers 2024 for Bank Exams Exam | Download free PDF with solutions
RBI Assistant Mains Mock Test - 7 - Question 1
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Select the one which is different from the other four responses.

Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 1
Except the third option, in all other options, the difference between the letters is the same.

As we can see,

Hence, the correct option is (C).

RBI Assistant Mains Mock Test - 7 - Question 2
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Study the following information carefully and answer the below questions

A Nine letter word (may or may not be meaningful) with no repeated letters is arranged in two arrangements to form the series. The same letters are used in each of the arrangements.

Arrangement 1:

A is placed fourth to the right of G. Only one letter is placed between G and B. B is placed to the left of G. The number of letters placed to the left of G is one less than the number of letters placed to the right of U. Only two letters are placed between U and T which is placed either at the left end or right end. I is placed second to the right of S. E is placed to the left of C. C and I are not placed adjacent to each other.

Arrangement 2:

The first and last letters along with the fourth letter from the right end in arrangement 1 are taken to form the first meaningful word. U is immediate left of T. The third letter from both the left end and right end along with the second letter from the left end in arrangement 1 are taken to form a second meaningful word. S is placed to the right of A. The remaining letters are arranged in such a way to form the third meaningful word.

Which of the following letter is placed fifth from the left end in Arrangement 1?

Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 2

Arrangement 1

We have,

  • A is placed fourth to the right of G.
  • Only one letter is placed between G and B.
  • B is placed to the left of G.

From the above condition, there are three possibilities.

Again we have,

  • The number of letters placed to the left of G is one less than the number of letters placed to the right of U.
  • Only two letters are placed between U and T which is placed either at the left end or right end.

From the above condition, case2 gets eliminated, because the position of T is already occupied by the letters B and A.

Again we have,

  • I is placed second to the right of S.
  • E is placed to the left of C.
  • C and I are not placed adjacent to each other.

From the above condition, Case3 gets eliminated because C and I are placed at adjacent positions.

Arrangement 2

We have,

  • The first and last letters along with the fourth letter from the right end in arrangement 1 are to form the first meaningful word. U is immediate left of T.

Again we have,

  • The third letter from both the left end and right end along with the second letter from the left end in arrangement 1 to form a second meaningful word. S is placed to the right of A.

Again we have,

  • The remaining letters are arranged in such a way to form the third meaningful word.

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RBI Assistant Mains Mock Test - 7 - Question 3
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Study the following information carefully and answer the below questions

A Nine letter word (may or may not be meaningful) with no repeated letters is arranged in two arrangements to form the series. The same letters are used in each of the arrangements.

Arrangement 1:

A is placed fourth to the right of G. Only one letter is placed between G and B. B is placed to the left of G. The number of letters placed to the left of G is one less than the number of letters placed to the right of U. Only two letters are placed between U and T which is placed either at the left end or right end. I is placed second to the right of S. E is placed to the left of C. C and I are not placed adjacent to each other.

Arrangement 2:

The first and last letters along with the fourth letter from the right end in arrangement 1 are taken to form the first meaningful word. U is immediate left of T. The third letter from both the left end and right end along with the second letter from the left end in arrangement 1 are taken to form a second meaningful word. S is placed to the right of A. The remaining letters are arranged in such a way to form the third meaningful word.

How many letters are between T and I in Arrangement 2?

Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 3

Arrangement 1

We have,

  • A is placed fourth to the right of G.
  • Only one letter is placed between G and B.
  • B is placed to the left of G.

From the above condition, there are three possibilities.

Again we have,

  • The number of letters placed to the left of G is one less than the number of letters placed to the right of U.
  • Only two letters are placed between U and T which is placed either at the left end or right end.

Again we have,

  • I is placed second to the right of S.
  • E is placed to the left of C.
  • C and I are not placed adjacent to each other.

From the above condition, Case3 gets eliminated because C and I are placed at adjacent positions.

Arrangement 2

We have,

  • The first and last letters along with the fourth letter from the right end in arrangement 1 are to form the first meaningful word. U is immediate left of T.

Again we have,

  • The third letter from both the left end and right end along with the second letter from the left end in arrangement 1 to form a second meaningful word. S is placed to the right of A.

Again we have,

  • The remaining letters are arranged in such a way to form the third meaningful word.

From the above condition, case2 gets eliminated, because the position of T is already occupied by the letters B and A.

RBI Assistant Mains Mock Test - 7 - Question 4
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Study the following information carefully and answer the below questions

A Nine letter word (may or may not be meaningful) with no repeated letters is arranged in two arrangements to form the series. The same letters are used in each of the arrangements.

Arrangement 1:

A is placed fourth to the right of G. Only one letter is placed between G and B. B is placed to the left of G. The number of letters placed to the left of G is one less than the number of letters placed to the right of U. Only two letters are placed between U and T which is placed either at the left end or right end. I is placed second to the right of S. E is placed to the left of C. C and I are not placed adjacent to each other.

Arrangement 2:

The first and last letters along with the fourth letter from the right end in arrangement 1 are taken to form the first meaningful word. U is immediate left of T. The third letter from both the left end and right end along with the second letter from the left end in arrangement 1 are taken to form a second meaningful word. S is placed to the right of A. The remaining letters are arranged in such a way to form the third meaningful word.

What is the position of U from the right end in Arrangement 1?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 4

Arrangement 1

We have,

A is placed fourth to the right of G.

Only one letter is placed between G and B.

B is placed to the left of G.

From the above condition, there are three possibilities.

Again we have,

  • The number of letters placed to the left of G is one less than the number of letters placed to the right of U.
  • Only two letters are placed between U and T which is placed either at the left end or right end.

From the above condition, case2 gets eliminated, because the position of T is already occupied by the letters B and A.

Again we have,

  • I is placed second to the right of S.
  • E is placed to the left of C.
  • C and I are not placed adjacent to each other.

From the above condition, Case3 gets eliminated because C and I are placed at adjacent positions.

Arrangement 2

We have,

  • The first and last letters along with the fourth letter from the right end in arrangement 1 are to form the first meaningful word. U is immediate left of T.

Again we have,

  • The third letter from both the left end and right end along with the second letter from the left end in arrangement 1 to form a second meaningful word. S is placed to the right of A.

Again we have,

  • The remaining letters are arranged in such a way to form the third meaningful word.

RBI Assistant Mains Mock Test - 7 - Question 5
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Study the following information carefully and answer the below questions

A Nine letter word (may or may not be meaningful) with no repeated letters is arranged in two arrangements to form the series. The same letters are used in each of the arrangements.

Arrangement 1:

A is placed fourth to the right of G. Only one letter is placed between G and B. B is placed to the left of G. The number of letters placed to the left of G is one less than the number of letters placed to the right of U. Only two letters are placed between U and T which is placed either at the left end or right end. I is placed second to the right of S. E is placed to the left of C. C and I are not placed adjacent to each other.

Arrangement 2:

The first and last letters along with the fourth letter from the right end in arrangement 1 are taken to form the first meaningful word. U is immediate left of T. The third letter from both the left end and right end along with the second letter from the left end in arrangement 1 are taken to form a second meaningful word. S is placed to the right of A. The remaining letters are arranged in such a way to form the third meaningful word.

Which of the following word is not in Arrangement2?

I. BUT

II. TUB

III. ICE

IV. SAG
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 5

Arrangement 1

We have,

  • A is placed fourth to the right of G.
  • Only one letter is placed between G and B.
  • B is placed to the left of G.

From the above condition, there are three possibilities.

Again we have,

  • The number of letters placed to the left of G is one less than the number of letters placed to the right of U.
  • Only two letters are placed between U and T which is placed either at the left end or right end.

From the above condition, case2 gets eliminated, because the position of T is already occupied by the letters B and A.

Again we have,

  • I is placed second to the right of S.
  • E is placed to the left of C.
  • C and I are not placed adjacent to each other.

From the above condition, Case3 gets eliminated because C and I are placed at adjacent positions.

Arrangement 2

We have,

  • The first and last letters along with the fourth letter from the right end in arrangement 1 are to form the first meaningful word. U is immediate left of T.

Again we have,

  • The third letter from both the left end and right end along with the second letter from the left end in arrangement 1 to form a second meaningful word. S is placed to the right of A.

Again we have,

  • The remaining letters are arranged in such a way to form the third meaningful word.

RBI Assistant Mains Mock Test - 7 - Question 6
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Directions: Study the following information carefully to answer the given questions:

If ‘A + B’ means ‘A is the son of B’.

If ‘A × B’ means ‘A is the father of B’.

If ‘A % B’ means ‘A is the husband of B’.

If ‘A ÷ B’ means ‘A is the mother of B’.

If ‘A $ B’ means ‘A is the sister of B’.

If ‘A ^ B’ means ‘A is the wife of B’.

Which of the following options is true if the expression ‘A + B $ C ÷ D + E + G’ is definitely true?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 6
Let us first decode the given symbols and then draw a family tree.

Now draw family tree using the following notations:

According to the statement:

‘A + B $ C ÷ D + E + G’ A is the son of B, B is the sister of C, C is the mother of D, D is the son of E, E is the son of G.

Statement I: G is the grandfather of D: gender of G is not mentioned

Statement II: B is aunt of D: true

Statement III: E is uncle of A: true

So, Statements (B) and (C) are correct.

Hence, the correct option is (D).

RBI Assistant Mains Mock Test - 7 - Question 7
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Directions: Study the following information carefully to answer the given questions:

If ‘A + B’ means ‘A is the son of B’.

If ‘A × B’ means ‘A is the father of B’.

If ‘A % B’ means ‘A is the husband of B’.

If ‘A ÷ B’ means ‘A is the mother of B’.

If ‘A $ B’ means ‘A is the sister of B’.

If ‘A ^ B’ means ‘A is the wife of B’.

Which of the following options is true if the expression ‘X ^ Y + Z ^ A + B’ is definitely true?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 7
Let us first decode the given symbols and then draw a family tree.

Now draw family tree using the following notations:

According to the statement:

‘‘X ^ Y + Z ^ A + B’’ X is the wife of Y; Y is the son of Z; Z is the wife of A; A is the son of B

So, Y is the grandchild of B is correct.

Hence, the correct option is (C).

RBI Assistant Mains Mock Test - 7 - Question 8
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Directions: Study the following information carefully to answer the given questions:

If ‘A + B’ means ‘A is the son of B’.

If ‘A × B’ means ‘A is the father of B’.

If ‘A % B’ means ‘A is the husband of B’.

If ‘A ÷ B’ means ‘A is the mother of B’.

If ‘A $ B’ means ‘A is the sister of B’.

If ‘A ^ B’ means ‘A is the wife of B’.

Which of the given expressions indicates that Y is the sister-in-law of C?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 8
Let us first decode the given symbols and then draw a family tree.

Now draw family tree using the following notations:

Using statement number 1:

‘A % Z ÷ C ^ E $ F ÷ Y’ means A is the husband of Z, Z is the mother of C, C is the wife of E, E is the sister of F, F is the mother of Y. This statement is wrong as C is the wife of E so E have to be male.

Using statement number 2:

‘Z % A ÷ C ^ E + F ÷ Y’ means Z is the husband of A, A is the mother of C, C is the wife of E, E is the son of F, F is the mother of Y.

The gender of Y is not clear here.

Using statement number 3:

‘Z % A ÷ C % E + F ÷ Y’ means Z is the husband of A, A is the mother of C, C is the husband of E, E is the son of F, F is the mother of Y.

E is the wife of C so has to be female so it can’t be the son of F.

Using statement number 4:

‘A % Z ÷ C ^ E + F ÷ Y’ means A is the husband of Z, Z is the mother of C, C is the wife of E, E is the son of F, F is the mother of Y.

The gender of Y is not clear here.

So, none of the given four expression indicates that Y is the sister-in-law of C.

Hence, the correct option is (E).

RBI Assistant Mains Mock Test - 7 - Question 9
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If all digits are added within the number then which of the following options, the resultant value will be a prime number if we subtract the lowest and highest number thus formed in each row?

I. 2586, 9836, 4276

II. 1863, 8521, 7693

III. 6971, 4862, 3586
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 9
I. 2586, 9836, 4276→21, 26, 19→26-19=7

II. 1863, 8521, 7693→18, 16, 25→25-16=9

III. 6971, 4862, 3586→23, 20, 22→23-20=3

RBI Assistant Mains Mock Test - 7 - Question 10
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What will come in the place of question mark(?).

1,?,6,21,88,445
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 10

2 = 1 x 1 +1

6 = 2 x 2 + 2

21 = 6 x 3 + 3

88 = 1 x 4 + 4

445 = 88 x 5 + 5

Hence, the correct option is (B).

RBI Assistant Mains Mock Test - 7 - Question 11
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In each question below is a given letter followed by four combinations of symbols and numbers. You have to find out which of the combination correctly represents the code based on the given coding system.

Conditions:

i) If the first and last letters are consonants, then both are to be coded as the code of the last letter.

ii) If the first letter is consonant and the last letter is a vowel, then both are to be coded as the code of the first letter.

iii) If the first letter and last letter are vowels, then the codes of both are to be interchanged.

iv) If the first letter is the vowel and the last letter is consonant, then both are to be coded as “+”

What does "ACTIVE" represent in a code language?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 11
ACTIVE→ 1*?85&(as per the codes)

but here, Condition iii follows

The first letter and last letter are vowels, the codes of both are interchanged

1*?85&→&*?851

RBI Assistant Mains Mock Test - 7 - Question 12
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In each question below is a given letter followed by four combinations of symbols and numbers. You have to find out which of the combination correctly represents the code based on the given coding system.

Conditions:

i) If the first and last letters are consonants, then both are to be coded as the code of the last letter.

ii) If the first letter is consonant and the last letter is a vowel, then both are to be coded as the code of the first letter.

iii) If the first letter and last letter are vowels, then the codes of both are to be interchanged.

iv) If the first letter is the vowel and the last letter is consonant, then both are to be coded as “+”

What does '!^*81!' represent in the given language?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 12
SOCIAL → 3^*81! (as per codes)

but here, Condition i follows

The first and last letters are consonants, both are coded as the code of the last letter

3^*81!→!^*81!

RBI Assistant Mains Mock Test - 7 - Question 13
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In each question below is a given letter followed by four combinations of symbols and numbers. You have to find out which of the combination correctly represents the code based on the given coding system.

Conditions:

i) If the first and last letters are consonants, then both are to be coded as the code of the last letter.

ii) If the first letter is consonant and the last letter is a vowel, then both are to be coded as the code of the first letter.

iii) If the first letter and last letter are vowels, then the codes of both are to be interchanged.

iv) If the first letter is the vowel and the last letter is consonant, then both are to be coded as “+”

What does "PACKED DAMAGE" represent in a code language?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 13
PACKED → %1*#&$ (as per codes)

but here, Condition i follows

The first and last letters are consonants, both are coded as the code of last letter %1*#&$→ $1*#&$

DAMAGE → $1916& (as per the codes)

but here, Condition ii follows

The first letter is consonant and the last letter is a vowel, both are coded as code of the first letter

$1916&→$1916$

RBI Assistant Mains Mock Test - 7 - Question 14
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In each question below is a given letter followed by four combinations of symbols and numbers. You have to find out which of the combination correctly represents the code based on the given coding system.

Conditions:

i) If the first and last letters are consonants, then both are to be coded as the code of the last letter.

ii) If the first letter is consonant and the last letter is a vowel, then both are to be coded as the code of the first letter.

iii) If the first letter and last letter are vowels, then the codes of both are to be interchanged.

iv) If the first letter is the vowel and the last letter is consonant, then both are to be coded as “+”

What does '+4!&3+ ?7@98?' represent in the given language?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 14
UNLESS → 74!&33 (as per codes)

but here, Condition iv follows

The first letter is the vowel and the last letter is Consonants, both are coded as “+”

74!&33 → +4!&3+

SUBMIT → 37@98? (as per codes)

but here, Condition i follows

The first and last letters are consonants, both are coded as the code of the last letter.

37@98? →?7@98?

RBI Assistant Mains Mock Test - 7 - Question 15
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Direction: Study the following information and answer the questions following.

John starts walking from point R in east direction. After walking 3 m he turns left from point W and walks for 5 m. He then turns right from point P and walks for 4 m, he then turns right from point Z and walks for 7 m. He then turns left from point V and walks for 2 m till point Q. Ray started walking from point O in east direction. After walking 13 m he turns right from point N and walks for 5 m. He then right from point M and walks for 2 m till point X. Harry started walking from point Q in south direction. After walking 2 m he turns left from point S and walks for 1 m and then turns left from point T and walks for 11 m. He then turns right from point U and walks for 1 m and then turns right from point Y and walks for 2 m till point X.

If Ray walks 2 m from point X in east direction and then turns right from point M and walks 5 m till point A. John walks 2 m in east from point Q and then turns right and walks till point T. What is the shortest distance between T and A?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 15

Hence, the correct option is (D).

RBI Assistant Mains Mock Test - 7 - Question 16
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Direction: Study the following information and answer the questions following.

John starts walking from point R in east direction. After walking 3 m he turns left from point W and walks for 5 m. He then turns right from point P and walks for 4 m, he then turns right from point Z and walks for 7 m. He then turns left from point V and walks for 2 m till point Q. Ray started walking from point O in east direction. After walking 13 m he turns right from point N and walks for 5 m. He then right from point M and walks for 2 m till point X. Harry started walking from point Q in south direction. After walking 2 m he turns left from point S and walks for 1 m and then turns left from point T and walks for 11 m. He then turns right from point U and walks for 1 m and then turns right from point Y and walks for 2 m till point X.

If Harry starts walking from point X in west direction and after walking 11 m he turns left and walks 5 m. He then turns left and walks for 3 m and stops, then Harry reaches which point?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 16

If Harry starts walking from point X in west direction and after walking 11 m he turns left and walks 5 m. He then turns left and walks for 3 m and stops, then Harry reaches point W.

So, W is the correct answer.

Hence, the correct option is (B).

RBI Assistant Mains Mock Test - 7 - Question 17
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Direction: Study the following information and answer the questions following.

John starts walking from point R in east direction. After walking 3 m he turns left from point W and walks for 5 m. He then turns right from point P and walks for 4 m, he then turns right from point Z and walks for 7 m. He then turns left from point V and walks for 2 m till point Q. Ray started walking from point O in east direction. After walking 13 m he turns right from point N and walks for 5 m. He then right from point M and walks for 2 m till point X. Harry started walking from point Q in south direction. After walking 2 m he turns left from point S and walks for 1 m and then turns left from point T and walks for 11 m. He then turns right from point U and walks for 1 m and then turns right from point Y and walks for 2 m till point X.

What is the direction of final point of John with respect to Ray’s final point?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 17

The final point of John is in south-west with respect to Ray’s final point.

So, ‘South west’ is the correct answer.

Hence, the correct option is (C).

RBI Assistant Mains Mock Test - 7 - Question 18
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Direction: Study the following information and answer the questions following.

John starts walking from point R in east direction. After walking 3 m he turns left from point W and walks for 5 m. He then turns right from point P and walks for 4 m, he then turns right from point Z and walks for 7 m. He then turns left from point V and walks for 2 m till point Q. Ray started walking from point O in east direction. After walking 13 m he turns right from point N and walks for 5 m. He then right from point M and walks for 2 m till point X. Harry started walking from point Q in south direction. After walking 2 m he turns left from point S and walks for 1 m and then turns left from point T and walks for 11 m. He then turns right from point U and walks for 1 m and then turns right from point Y and walks for 2 m till point X.

What is the shortest distance between Ray’s and John’s initial point?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 18

The shortest distance between Ray’s and John’s initial point = PW + NM = 5 m + 5 m = 10 m

Hence, the correct option is (B).

RBI Assistant Mains Mock Test - 7 - Question 19
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Study the following information carefully and answer the below questions

Eight persons- L, M, N, O, P, Q, R, and S are sitting on the rectangular table facing the center but not necessarily in the same order. Three of them sit at each longer side and one of them sits at each smaller side of the table.

N sits second to the left of the one who sits opposite to M. M sits on the longer side of the table. One person sits between N and S. The number of persons sit between M and S is the same as the number of persons sit between N and P when counted from the right of both M and N. The one who sits immediate left of S sits second to the right of R. The number of persons sit between R and M is same as the number of persons sit between M and Q. Q sits adjacent to either N or P. L neither sits adjacent to P nor M.

What is the position of L with respect to P?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 19

We have,

  • N sits second to the left of the one who sits opposite to M.
  • M sits on the longer side of the table.
  • One person sits between N and S.

From the above condition, there are three possibilities.

Again we have,

  • The number of persons sit between M and S is the same as the number of persons sit between N and P when counted to the right of both M and N.
  • The one who sits immediate left of S sits second to the right of R.

Again we have,

  • The number of persons sit between R and M is same as the number of persons sit between M and Q.
  • Q sits adjacent to either N or P.

From the above condition, Case1a gets eliminated.

Again we have,

  • L neither sits adjacent to P nor M.

From the above condition, case1 gets eliminated because there is a possibility of L is the immediate neighbor either P or M. Case2 shows the final arrangement.

RBI Assistant Mains Mock Test - 7 - Question 20
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Study the following information carefully and answer the below questions

Eight persons- L, M, N, O, P, Q, R, and S are sitting on the rectangular table facing the center but not necessarily in the same order. Three of them sit at each longer side and one of them sits at each smaller side of the table.

N sits second to the left of the one who sits opposite to M. M sits on the longer side of the table. One person sits between N and S. The number of persons sit between M and S is the same as the number of persons sit between N and P when counted from the right of both M and N. The one who sits immediate left of S sits second to the right of R. The number of persons sit between R and M is same as the number of persons sit between M and Q. Q sits adjacent to either N or P. L neither sits adjacent to P nor M.

Four of the five among the following are similar in such a way to form a group, who among the following doesn’t belong to the group?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 20

We have,

  • N sits second to the left of the one who sits opposite to M.
  • M sits on the longer side of the table.
  • One person sits between N and S.

From the above condition, there are three possibilities.

Again we have,

  • The number of persons sit between M and S is the same as the number of persons sit between N and P when counted to the right of both M and N.
  • The one who sits immediate left of S sits second to the right of R

Again we have,

  • The number of persons sit between R and M is same as the number of persons sit between M and Q.
  • Q sits adjacent to either N or P.

From the above condition, Case1a gets eliminated.

Again we have,

  • L neither sits adjacent to P nor M.

From the above condition, case1 gets eliminated because there is a possibility of L is the immediate neighbor either P or M. Case2 shows the final arrangement.

RBI Assistant Mains Mock Test - 7 - Question 21
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Study the following information carefully and answer the below questions

Eight persons- L, M, N, O, P, Q, R, and S are sitting on the rectangular table facing the center but not necessarily in the same order. Three of them sit at each longer side and one of them sits at each smaller side of the table.

N sits second to the left of the one who sits opposite to M. M sits on the longer side of the table. One person sits between N and S. The number of persons sit between M and S is the same as the number of persons sit between N and P when counted from the right of both M and N. The one who sits immediate left of S sits second to the right of R. The number of persons sit between R and M is same as the number of persons sit between M and Q. Q sits adjacent to either N or P. L neither sits adjacent to P nor M.

How many persons are sitting between L and R when counted from the left of L?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 21

We have,

  • N sits second to the left of the one who sits opposite to M.
  • M sits on the longer side of the table.
  • One person sits between N and S.

From the above condition, there are three possibilities.

Again we have,

  • The number of persons sit between M and S is the same as the number of persons sit between N and P when counted to the right of both M and N.
  • The one who sits immediate left of S sits second to the right of R.

Again we have,

  • The number of persons sit between R and M is same as the number of persons sit between M and Q.
  • Q sits adjacent to either N or P.

From the above condition, Case1a gets eliminated.

Again we have,

  • L neither sits adjacent to P nor M.

From the above condition, case1 gets eliminated because there is a possibility of L is the immediate neighbor either P or M. Case2 shows the final arrangement.

RBI Assistant Mains Mock Test - 7 - Question 22
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Study the following information carefully and answer the below questions

Eight persons- L, M, N, O, P, Q, R, and S are sitting on the rectangular table facing the center but not necessarily in the same order. Three of them sit at each longer side and one of them sits at each smaller side of the table.

N sits second to the left of the one who sits opposite to M. M sits on the longer side of the table. One person sits between N and S. The number of persons sit between M and S is the same as the number of persons sit between N and P when counted from the right of both M and N. The one who sits immediate left of S sits second to the right of R. The number of persons sit between R and M is same as the number of persons sit between M and Q. Q sits adjacent to either N or P. L neither sits adjacent to P nor M.

Which of the following statement is/are true?

I. N and P does not sit opposite to each other

II. Q sits second to the right of O.

III. L and M are immediate neighbors
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 22

We have,

  • N sits second to the left of the one who sits opposite to M.
  • M sits on the longer side of the table.
  • One person sits between N and S.

From the above condition, there are three possibilities.

Again we have,

  • The number of persons sit between M and S is the same as the number of persons sit between N and P when counted to the right of both M and N.
  • The one who sits immediate left of S sits second to the right of R.

Again we have,

  • The number of persons sit between R and M is same as the number of persons sit between M and Q.
  • Q sits adjacent to either N or P.

From the above condition, Case1a gets eliminated.

Again we have,

  • L neither sits adjacent to P nor M.

From the above condition, case1 gets eliminated because there is a possibility of L is the immediate neighbor either P or M. Case2 shows the final arrangement.

RBI Assistant Mains Mock Test - 7 - Question 23
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Directions: Study the following information carefully to answer the given questions:

If 'A + B' means 'A is the brother of B'

If 'A $ B' means 'A is the sister of B'

If 'A % B' means 'A is the son of B'

If 'A & B' means 'A is the father of B'

If 'A # B' means 'A is the mother of B'

How is K related to E in the expression 'K & S + L # Z % E & Q’?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 23
Let us first decode the given symbols and then draw a family tree.

Now draw family tree using following notations:

'K & S + L # Z % E & Q’ means K is the father of S, S is the brother of L, L is the mother of Z, Z is the son of son of E, E is the father of Q.

So, K is the father in law of E.

Hence, the correct option is (D).

RBI Assistant Mains Mock Test - 7 - Question 24
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Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question:

Six persons- L, M, N, O, P, and Q are sitting on the circular table facing the center but not necessarily in the same order. Who sits third to the right of N?

Statement I: P sits second to the left of M. Only two persons sit between M and L. Q sits immediate left of O.

Statement II: The number of persons who sit between N and Q is the same as the number of persons who sit between Q and L. P sits opposite to Q.
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 24
Statement 1

From statement1, we can get the answer

Statement 2

From statement2, we can’t get the answer

RBI Assistant Mains Mock Test - 7 - Question 25
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Direction: Read the instructions carefully and answer the question below.

Twelve people of a family, A, B, C, D, E, F, G, H, I, J, K, and L are sitting in three rows facing north. Each row has four seats at equal distance. The seats of these rows are arranged in such a way that the first seat of the first row is exactly in front of the first seat of the second row and the first seat of the second row is exactly in front of the first seat of the third row and so on. Also, these people are sitting in such a way that the people sitting in the first row are younger than 20 years, the people sitting in the row immediately behind it i.e. row 2 are older than 20 years but younger than 50 years and the people sitting in the row that is immediately behind row 2 are older than 50 years. Also, the age of each of these people is a natural number.

J is 6 years younger than F but 30 years younger than G. The difference between the ages of A and L is 47 years. The age of B is one third the age of the person who is sitting immediately behind E but half the age of the person who is sitting to his immediate left. The difference between the ages of the two people who are sitting on the extreme ends in the third row is 8 years. The age of H is 45 years less than the person sitting immediately behind him. L is 15 years older than the person who is sitting second to his left. J is sitting immediately in front of F. B is sitting to the immediate left of the person who is sitting right in front of D. E is sitting two seats ahead of C whose age is numerically an even number. H is sitting second to the left of J and H is 21 years younger than J. The age of the person sitting right behind A is 1 year less than twice the age of A. The age of K is 1 year less than thrice the age of the person who is sitting immediately behind him. A is sitting second to the left of the person who is 39 years old. K is sitting third to the right of E and the sum of their ages is 25 years.

Who is the youngest person in the 2nd row?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 25
1) A is sitting second to the left of the person who is 39 years old.

(Implies, both A and the person who is 39 years old are sitting in the second row. Also, there are only two possibilities i.e. A is sitting either on the 1st seat or the 2nd seat of the second row.)

2) The age of the person sitting right behind A is 1 year less than twice the age of A.

(Let us assume the age of A be X, implies, the age of the person sitting right behind him is 2X – 1.)

3) E is sitting two seats ahead of C whose age is numerically an even number.

4) K is sitting third to the right of E and the sum of their ages is 25 years.

(Implies, E is sitting in the first seat of the first row and K is sitting on the rightmost seat while C is sitting on the first seat of the 4th row. Also, as we know the age of the person sitting right behind A is 1year younger than twice the age of A (which will be numerically an odd number), implies, A is sitting on the 2nd seat in the 2nd row. Also, it means that D is sitting on the rightmost seat in the 2nd row.)

5) The age of K is 1 year less than thrice the age of the person who is sitting immediately behind him.

(Implies, K is 12 years old. Also, according to the 4th statement, the age of E is 13 years.)

6) J is sitting immediately in front of F.

7) H is sitting second to the left of J and H is 21 years younger than J.

(It is only possible if F is sitting on the third seat from the left in the 3rd row and J is sitting immediately in front of him in the 2nd row.)

8) B is sitting to the immediate left of the person who is sitting right in front of D.

(Implies, B is sitting to the immediate left of K as it is the only possibility.)

9) The difference between the ages of A and L is 47 years.

10) L is 15 years older than the person who is sitting second to his left.

(It is only possible if we place L on the rightmost seat in the 3rd row. Also, as the age of the person who is sitting second to the left of L is 2X – 1 years old, implies, the age of L is 2X + 14 years.

Now,

2X + 14 – X = 47 years

X = 33 years)

11) The difference between the ages of the two people who are sitting on the extreme ends in the third row is 8 years.

12) The age of H is 45 years less than the person sitting immediately behind him.

(Implies, the age of C is either 72 years or 88 years. Let us assume that C is 88 years old then that would mean H is 43 years old.)

13) The age of B is one third the age of the person who is sitting immediately behind E but half the age of the person who is sitting to his immediate left.

(Clearly, H is sitting immediately behind E. If the age of H is 43 years then the age of B would not be a natural number. Implies, the age of C is 72 years, the age of H is 27 years and the age of B is 9 years. Also, it means that the age of the person who is sitting to the immediate left of B is 18 years.)

14) J is 6 years younger than F but 30 years younger than G.

(As J is 30 years younger than G, implies, G must be in the row that is ahead of J’s row. Hence, G is sitting between E and B in the 1st row and he is 18 years old. Implies, J is 48 years old and F is 54 years old. Also, now that only I is left to be placed, we can safely say that I is sitting between C and F.)

Clearly, H is the youngest person in the 2nd row.

Hence, the correct option is (B).

RBI Assistant Mains Mock Test - 7 - Question 26
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Direction: Read the instructions carefully and answer the question below.

Twelve people of a family, A, B, C, D, E, F, G, H, I, J, K, and L are sitting in three rows facing north. Each row has four seats at equal distance. The seats of these rows are arranged in such a way that the first seat of the first row is exactly in front of the first seat of the second row and the first seat of the second row is exactly in front of the first seat of the third row and so on. Also, these people are sitting in such a way that the people sitting in the first row are younger than 20 years, the people sitting in the row immediately behind it i.e. row 2 are older than 20 years but younger than 50 years and the people sitting in the row that is immediately behind row 2 are older than 50 years. Also, the age of each of these people is a natural number.

J is 6 years younger than F but 30 years younger than G. The difference between the ages of A and L is 47 years. The age of B is one third the age of the person who is sitting immediately behind E but half the age of the person who is sitting to his immediate left. The difference between the ages of the two people who are sitting on the extreme ends in the third row is 8 years. The age of H is 45 years less than the person sitting immediately behind him. L is 15 years older than the person who is sitting second to his left. J is sitting immediately in front of F. B is sitting to the immediate left of the person who is sitting right in front of D. E is sitting two seats ahead of C whose age is numerically an even number. H is sitting second to the left of J and H is 21 years younger than J. The age of the person sitting right behind A is 1 year less than twice the age of A. The age of K is 1 year less than thrice the age of the person who is sitting immediately behind him. A is sitting second to the left of the person who is 39 years old. K is sitting third to the right of E and the sum of their ages is 25 years.

What is the difference between the ages of the person who is sitting on the leftmost seat of the 1st row and the person who is sitting on the rightmost seat of the 3rd row?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 26
1) A is sitting second to the left of the person who is 39 years old.

(Implies, both A and the person who is 39 years old are sitting in the second row. Also, there are only two possibilities i.e. A is sitting either on the 1st seat or the 2nd seat of the second row.)

2) The age of the person sitting right behind A is 1 year less than twice the age of A.

(Let us assume the age of A be X, implies, the age of the person sitting right behind him is 2X – 1.)

3) E is sitting two seats ahead of C whose age is numerically an even number.

4) K is sitting third to the right of E and the sum of their ages is 25 years.

(Implies, E is sitting in the first seat of the first row and K is sitting on the rightmost seat while C is sitting on the first seat of the 4th row. Also, as we know the age of the person sitting right behind A is 1year younger than twice the age of A (which will be numerically an odd number), implies, A is sitting on the 2nd seat in the 2nd row. Also, it means that D is sitting on the rightmost seat in the 2nd row.)

5) The age of K is 1 year less than thrice the age of the person who is sitting immediately behind him.

(Implies, K is 12 years old. Also, according to the 4th statement, the age of E is 13 years.)

6) J is sitting immediately in front of F.

7) H is sitting second to the left of J and H is 21 years younger than J.

(It is only possible if F is sitting on the third seat from the left in the 3rd row and J is sitting immediately in front of him in the 2nd row.)

8) B is sitting to the immediate left of the person who is sitting right in front of D.

(Implies, B is sitting to the immediate left of K as it is the only possibility.)

9) The difference between the ages of A and L is 47 years.

10) L is 15 years older than the person who is sitting second to his left.

(It is only possible if we place L on the rightmost seat in the 3rd row. Also, as the age of the person who is sitting second to the left of L is 2X – 1 years old, implies, the age of L is 2X + 14 years.

Now,

2X + 14 – X = 47 years

X = 33 years)

11) The difference between the ages of the two people who are sitting on the extreme ends in the third row is 8 years.

12) The age of H is 45 years less than the person sitting immediately behind him.

(Implies, the age of C is either 72 years or 88 years. Let us assume that C is 88 years old then that would mean H is 43 years old.)

13) The age of B is one third the age of the person who is sitting immediately behind E but half the age of the person who is sitting to his immediate left.

(Clearly, H is sitting immediately behind E. If the age of H is 43 years then the age of B would not be a natural number. Implies, the age of C is 72 years, the age of H is 27 years and the age of B is 9 years. Also, it means that the age of the person who is sitting to the immediate left of B is 18 years.)

14) J is 6 years younger than F but 30 years younger than G.

(As J is 30 years younger than G, implies, G must be in the row that is ahead of J’s row. Hence, G is sitting between E and B in the 1st row and he is 18 years old. Implies, J is 48 years old and F is 54 years old. Also, now that only I is left to be placed, we can safely say that I is sitting between C and F.)

The age of E is 13 years and the age of L is 80 years.

Thus, the difference between the ages of the person who is sitting on the leftmost seat of the 1st row and the person who is sitting on the rightmost seat of the 3rd row is 67 years.

Hence, the correct option is (C).

RBI Assistant Mains Mock Test - 7 - Question 27
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Direction: Read the instructions carefully and answer the question below.

Twelve people of a family, A, B, C, D, E, F, G, H, I, J, K, and L are sitting in three rows facing north. Each row has four seats at equal distance. The seats of these rows are arranged in such a way that the first seat of the first row is exactly in front of the first seat of the second row and the first seat of the second row is exactly in front of the first seat of the third row and so on. Also, these people are sitting in such a way that the people sitting in the first row are younger than 20 years, the people sitting in the row immediately behind it i.e. row 2 are older than 20 years but younger than 50 years and the people sitting in the row that is immediately behind row 2 are older than 50 years. Also, the age of each of these people is a natural number.

J is 6 years younger than F but 30 years younger than G. The difference between the ages of A and L is 47 years. The age of B is one third the age of the person who is sitting immediately behind E but half the age of the person who is sitting to his immediate left. The difference between the ages of the two people who are sitting on the extreme ends in the third row is 8 years. The age of H is 45 years less than the person sitting immediately behind him. L is 15 years older than the person who is sitting second to his left. J is sitting immediately in front of F. B is sitting to the immediate left of the person who is sitting right in front of D. E is sitting two seats ahead of C whose age is numerically an even number. H is sitting second to the left of J and H is 21 years younger than J. The age of the person sitting right behind A is 1 year less than twice the age of A. The age of K is 1 year less than thrice the age of the person who is sitting immediately behind him. A is sitting second to the left of the person who is 39 years old. K is sitting third to the right of E and the sum of their ages is 25 years.

Four of the following are alike and thus form a group. Which of the following does not belong to the group?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 27
1) A is sitting second to the left of the person who is 39 years old.

(Implies, both A and the person who is 39 years old are sitting in the second row. Also, there are only two possibilities i.e. A is sitting either on the 1st seat or the 2nd seat of the second row.)

2) The age of the person sitting right behind A is 1 year less than twice the age of A.

(Let us assume the age of A be X, implies, the age of the person sitting right behind him is 2X – 1.)

3) E is sitting two seats ahead of C whose age is numerically an even number.

4) K is sitting third to the right of E and the sum of their ages is 25 years.

(Implies, E is sitting in the first seat of the first row and K is sitting on the rightmost seat while C is sitting on the first seat of the 4th row. Also, as we know the age of the person sitting right behind A is 1year younger than twice the age of A (which will be numerically an odd number), implies, A is sitting on the 2nd seat in the 2nd row. Also, it means that D is sitting on the rightmost seat in the 2nd row.)

5) The age of K is 1 year less than thrice the age of the person who is sitting immediately behind him.

(Implies, K is 12 years old. Also, according to the 4th statement, the age of E is 13 years.)

6) J is sitting immediately in front of F.

7) H is sitting second to the left of J and H is 21 years younger than J.

(It is only possible if F is sitting on the third seat from the left in the 3rd row and J is sitting immediately in front of him in the 2nd row.)

8) B is sitting to the immediate left of the person who is sitting right in front of D.

(Implies, B is sitting to the immediate left of K as it is the only possibility.)

9) The difference between the ages of A and L is 47 years.

10) L is 15 years older than the person who is sitting second to his left.

(It is only possible if we place L on the rightmost seat in the 3rd row. Also, as the age of the person who is sitting second to the left of L is 2X – 1 years old, implies, the age of L is 2X + 14 years.

Now,

2X + 14 – X = 47 years

X = 33 years)

11) The difference between the ages of the two people who are sitting on the extreme ends in the third row is 8 years.

12) The age of H is 45 years less than the person sitting immediately behind him.

(Implies, the age of C is either 72 years or 88 years. Let us assume that C is 88 years old then that would mean H is 43 years old.)

13) The age of B is one third the age of the person who is sitting immediately behind E but half the age of the person who is sitting to his immediate left.

(Clearly, H is sitting immediately behind E. If the age of H is 43 years then the age of B would not be a natural number. Implies, the age of C is 72 years, the age of H is 27 years and the age of B is 9 years. Also, it means that the age of the person who is sitting to the immediate left of B is 18 years.)

14) J is 6 years younger than F but 30 years younger than G.

(As J is 30 years younger than G, implies, G must be in the row that is ahead of J’s row. Hence, G is sitting between E and B in the 1st row and he is 18 years old. Implies, J is 48 years old and F is 54 years old. Also, now that only I is left to be placed, we can safely say that I is sitting between C and F.)

Except for I, all are sitting in the 2nd row.

Thus, I does not belong to the group.

Hence, the correct option is (A).

RBI Assistant Mains Mock Test - 7 - Question 28
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Direction: Read the instructions carefully and answer the question below.

Twelve people of a family, A, B, C, D, E, F, G, H, I, J, K, and L are sitting in three rows facing north. Each row has four seats at equal distance. The seats of these rows are arranged in such a way that the first seat of the first row is exactly in front of the first seat of the second row and the first seat of the second row is exactly in front of the first seat of the third row and so on. Also, these people are sitting in such a way that the people sitting in the first row are younger than 20 years, the people sitting in the row immediately behind it i.e. row 2 are older than 20 years but younger than 50 years and the people sitting in the row that is immediately behind row 2 are older than 50 years. Also, the age of each of these people is a natural number.

J is 6 years younger than F but 30 years younger than G. The difference between the ages of A and L is 47 years. The age of B is one third the age of the person who is sitting immediately behind E but half the age of the person who is sitting to his immediate left. The difference between the ages of the two people who are sitting on the extreme ends in the third row is 8 years. The age of H is 45 years less than the person sitting immediately behind him. L is 15 years older than the person who is sitting second to his left. J is sitting immediately in front of F. B is sitting to the immediate left of the person who is sitting right in front of D. E is sitting two seats ahead of C whose age is numerically an even number. H is sitting second to the left of J and H is 21 years younger than J. The age of the person sitting right behind A is 1 year less than twice the age of A. The age of K is 1 year less than thrice the age of the person who is sitting immediately behind him. A is sitting second to the left of the person who is 39 years old. K is sitting third to the right of E and the sum of their ages is 25 years.

Who is the oldest person?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 28
1) A is sitting second to the left of the person who is 39 years old.

(Implies, both A and the person who is 39 years old are sitting in the second row. Also, there are only two possibilities i.e. A is sitting either on the 1st seat or the 2nd seat of the second row.)

2) The age of the person sitting right behind A is 1 year less than twice the age of A.

(Let us assume the age of A be X, implies, the age of the person sitting right behind him is 2X – 1.)

3) E is sitting two seats ahead of C whose age is numerically an even number.

4) K is sitting third to the right of E and the sum of their ages is 25 years.

(Implies, E is sitting in the first seat of the first row and K is sitting on the rightmost seat while C is sitting on the first seat of the 4th row. Also, as we know the age of the person sitting right behind A is 1year younger than twice the age of A (which will be numerically an odd number), implies, A is sitting on the 2nd seat in the 2nd row. Also, it means that D is sitting on the rightmost seat in the 2nd row.)

5) The age of K is 1 year less than thrice the age of the person who is sitting immediately behind him.

(Implies, K is 12 years old. Also, according to the 4th statement, the age of E is 13 years.)

6) J is sitting immediately in front of F.

7) H is sitting second to the left of J and H is 21 years younger than J.

(It is only possible if F is sitting on the third seat from the left in the 3rd row and J is sitting immediately in front of him in the 2nd row.)

8) B is sitting to the immediate left of the person who is sitting right in front of D.

(Implies, B is sitting to the immediate left of K as it is the only possibility.)

9) The difference between the ages of A and L is 47 years.

10) L is 15 years older than the person who is sitting second to his left.

(It is only possible if we place L on the rightmost seat in the 3rd row. Also, as the age of the person who is sitting second to the left of L is 2X – 1 years old, implies, the age of L is 2X + 14 years.

Now,

2X + 14 – X = 47 years

X = 33 years)

11) The difference between the ages of the two people who are sitting on the extreme ends in the third row is 8 years.

12) The age of H is 45 years less than the person sitting immediately behind him.

(Implies, the age of C is either 72 years or 88 years. Let us assume that C is 88 years old then that would mean H is 43 years old.)

13) The age of B is one third the age of the person who is sitting immediately behind E but half the age of the person who is sitting to his immediate left.

(Clearly, H is sitting immediately behind E. If the age of H is 43 years then the age of B would not be a natural number. Implies, the age of C is 72 years, the age of H is 27 years and the age of B is 9 years. Also, it means that the age of the person who is sitting to the immediate left of B is 18 years.)

14) J is 6 years younger than F but 30 years younger than G.

(As J is 30 years younger than G, implies, G must be in the row that is ahead of J’s row. Hence, G is sitting between E and B in the 1st row and he is 18 years old. Implies, J is 48 years old and F is 54 years old. Also, now that only I is left to be placed, we can safely say that I is sitting between C and F.)

Clearly, L is the oldest person.

Hence, the correct option is (E).

RBI Assistant Mains Mock Test - 7 - Question 29
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Direction: Read the instructions carefully and answer the question below.

Twelve people of a family, A, B, C, D, E, F, G, H, I, J, K, and L are sitting in three rows facing north. Each row has four seats at equal distance. The seats of these rows are arranged in such a way that the first seat of the first row is exactly in front of the first seat of the second row and the first seat of the second row is exactly in front of the first seat of the third row and so on. Also, these people are sitting in such a way that the people sitting in the first row are younger than 20 years, the people sitting in the row immediately behind it i.e. row 2 are older than 20 years but younger than 50 years and the people sitting in the row that is immediately behind row 2 are older than 50 years. Also, the age of each of these people is a natural number.

J is 6 years younger than F but 30 years younger than G. The difference between the ages of A and L is 47 years. The age of B is one third the age of the person who is sitting immediately behind E but half the age of the person who is sitting to his immediate left. The difference between the ages of the two people who are sitting on the extreme ends in the third row is 8 years. The age of H is 45 years less than the person sitting immediately behind him. L is 15 years older than the person who is sitting second to his left. J is sitting immediately in front of F. B is sitting to the immediate left of the person who is sitting right in front of D. E is sitting two seats ahead of C whose age is numerically an even number. H is sitting second to the left of J and H is 21 years younger than J. The age of the person sitting right behind A is 1 year less than twice the age of A. The age of K is 1 year less than thrice the age of the person who is sitting immediately behind him. A is sitting second to the left of the person who is 39 years old. K is sitting third to the right of E and the sum of their ages is 25 years.

Who is sitting to the immediate right of the person who is sitting immediately ahead of A?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 29
1) A is sitting second to the left of the person who is 39 years old.

(Implies, both A and the person who is 39 years old are sitting in the second row. Also, there are only two possibilities i.e. A is sitting either on the 1st seat or the 2nd seat of the second row.)

2) The age of the person sitting right behind A is 1 year less than twice the age of A.

(Let us assume the age of A be X, implies, the age of the person sitting right behind him is 2X – 1.)

3) E is sitting two seats ahead of C whose age is numerically an even number.

4) K is sitting third to the right of E and the sum of their ages is 25 years.

(Implies, E is sitting in the first seat of the first row and K is sitting on the rightmost seat while C is sitting on the first seat of the 4th row. Also, as we know the age of the person sitting right behind A is 1year younger than twice the age of A (which will be numerically an odd number), implies, A is sitting on the 2nd seat in the 2nd row. Also, it means that D is sitting on the rightmost seat in the 2nd row.)

5) The age of K is 1 year less than thrice the age of the person who is sitting immediately behind him.

(Implies, K is 12 years old. Also, according to the 4th statement, the age of E is 13 years.)

6) J is sitting immediately in front of F.

7) H is sitting second to the left of J and H is 21 years younger than J.

(It is only possible if F is sitting on the third seat from the left in the 3rd row and J is sitting immediately in front of him in the 2nd row.)

8) B is sitting to the immediate left of the person who is sitting right in front of D.

(Implies, B is sitting to the immediate left of K as it is the only possibility.)

9) The difference between the ages of A and L is 47 years.

10) L is 15 years older than the person who is sitting second to his left.

(It is only possible if we place L on the rightmost seat in the 3rd row. Also, as the age of the person who is sitting second to the left of L is 2X – 1 years old, implies, the age of L is 2X + 14 years.

Now,

2X + 14 – X = 47 years

X = 33 years)

11) The difference between the ages of the two people who are sitting on the extreme ends in the third row is 8 years.

12) The age of H is 45 years less than the person sitting immediately behind him.

(Implies, the age of C is either 72 years or 88 years. Let us assume that C is 88 years old then that would mean H is 43 years old.)

13) The age of B is one third the age of the person who is sitting immediately behind E but half the age of the person who is sitting to his immediate left.

(Clearly, H is sitting immediately behind E. If the age of H is 43 years then the age of B would not be a natural number. Implies, the age of C is 72 years, the age of H is 27 years and the age of B is 9 years. Also, it means that the age of the person who is sitting to the immediate left of B is 18 years.)

14) J is 6 years younger than F but 30 years younger than G.

(As J is 30 years younger than G, implies, G must be in the row that is ahead of J’s row. Hence, G is sitting between E and B in the 1st row and he is 18 years old. Implies, J is 48 years old and F is 54 years old. Also, now that only I is left to be placed, we can safely say that I is sitting between C and F.)

Clearly, B is sitting to the immediate right of G who is sitting immediately ahead of A.

Hence, the correct option is (B).

RBI Assistant Mains Mock Test - 7 - Question 30
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Study the following information carefully and answer the below questions

Six persons- D, E, F, G, H, and I bought new bikes in different years- 2003, 2006, 2009, 2011, 2014, and 2018. They bought different brand bikes- Royal Enfield, Hero motocorp, Yamaha, Bajaj, KTM, and Honda. All the information is not necessarily in the same order.

E bought on three years before the one who bought Hero moto corp. The number of persons bought before E is the same as the number of persons bought after G. The one who bought Honda bought immediately before F. F bought in even number year and does not buy Hero moto corp. D and H neither bought Hero moto corp nor Honda. D does not buy before E. The one who bought Royal Enfield bought two persons before D. The number of persons bought between E and D is the same as the number of persons bought between H and I. Neither D nor F bought KTM. F does not buy Yamaha.

In which of the following year did H bought the bike?
Detailed Solution for RBI Assistant Mains Mock Test - 7 - Question 30

We have,

  • E bought three years before the one who bought Hero moto corp.
  • The number of persons bought before E is the same as the number of persons bought after G.

From the above condition, there are three possibilities.

Again we have,

  • The one who bought Honda bought immediately before F.
  • F bought in even number year and does not buy Hero moto corp.

Again we have,

  • D and H neither bought Hero motocorp nor Honda.
  • D does not buy before E.
  • The one who bought Royal Enfield bought two persons before D.

From the above condition, case1 and case3 get eliminated.

Again we have,

  • The number of persons bought between E and D is the same as the number of persons bought between H and I.
  • Neither D nor F bought KTM.
  • F does not buy Yamaha.

From the above condition, case2 shows the final arrangement.

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