SSC Selection Post Mock Test - 1 - SSC Selection Post MCQ

Preparing the family tree using the following symbols:

i) Reena is the sister of Abhi.
ii) Ajay is the brother-in-law of Abhi.
iii) Picku is the daughter of Ajay.
iv) Ramesh is the father of Reena.
v) Abhi is the son of Ramesh.
A possible tree diagram will be:

Therefore, Ramesh is the Grandfather of Picku.
Hence, the correct answer is "Grandfather".

For this question, the Venn diagram of the statements is shown below:-

I. No needle is a match-box → Follow → As all needles are threads and no thread is match-box. So no needle is match-box in definite true. 
II. Some threads are needles → Follow → As all needles are threads. So, some threads are needles is definite true.
III Some match-boxes are needles → Does not follow → As no thread is match-box and all needles are threads. So some match-boxes are needles it is not possible.
Hence, the correct answer is "Only conclusion I and II follows".

Given: Six friends A, B, C, D, E and F
1) A sits third to the left of D.
2) D sits to the immediate right of B.
3) B sits second to the left of E.

4) C sits second to the right of F.

So, B sits second to the right of A.
Hence, the correct answer is "B".

The pattern followed here is:​
'MISTAKE' is written as 'LHRUBLF'

And,
'PROBLEM' is written as 'OQNCMFN'

Similarly,
'STRANGE' be written as

Hence, ' STRANGE' is coded as 'RSQBOHF'

The logic follows here is :

• The polygon in the second figure has one less side than the first figure
• Two plane dots are there in the centre of first figure whereas a black dot in the centre with two plane dots in the opposite sides of polygon of the second figure.

Therefore, the figure which has the same relationship with figure R is 'Figure A'.
Hence, the correct answer is “Option (1).”

Let us first decode the given symbols and then draw a family tree.

Now draw a family tree using the following notations:

S % M @ Q $ N @ O % P
S  is the sister of M, who is the husband of Q, who is the mother of N, who is the husband of O, who is the sister of P’. So, O must be the daughter-in-law of Q. 

Hence, O is the daughter-in-law of Q. 

Logic followed in the given pair:
Conference ∶ Chairman → Chairman is the head of the conference.
Similarly,
Newspaper : Editor → An editor is the head of a newspaper.
Here, 'Newspaper : Editor' is the correct pair.
Hence, the correct answer is "Option (4)".

The Logic here is as follows:
Option 1: ACE

A + 2 = C
C + 2 = E
Option 2: BDE

B + 2 = D
D + 1 = E
Option 3: CEG

C + 2 = E 
E + 2 = G
Option 3:DFH

D + 2 = F
F + 2 = H.
Therefore, BDE is different from the other three.
Hence, the correct answer is "BDE".

Given,
171 : 142 :: 283 : ? :: 315 : 286​
The logic followed here is:
171 is related to 142 by following logic,

• 171 - 29 = 142

And, 
315 is related to 286 by following logic,

• 315 - 29 = 286

Similarly,
283 will be related to,

• 283 - 29 = 254

Hence, the correct answer is 254.

The logic followed is:

The tiger will have black and yellow stripes over its body and it is coded as an elephant.
Hence, the correct answer is "Elephant".

Given:

1. Puberty
2. Adulthood
3. Childhood
4. Infancy
5. Senescence
6. Adolescence

Checking all the given options:
(1) 4, 3, 6, 2, 1, 5
Infancy→Childhood→Adolescence→Adulthood→Puberty→Senescence
(2) 2, 4, 6, 3, 1, 5
Adulthood→Infancy→Adolescence→Childhood→Puberty→Senescence
(3) 4, 3, 1, 6, 2, 5
Infancy→Childhood→Puberty→Adolescence→Adulthood→Senescence
(4) 5, 6, 2, 3, 4, 1
Senescence→Adolescence→Adulthood→Childhood→Infancy→Puberty
Here, '4, 3, 1, 6, 2, 5' is in the logical order.
Hence, the correct answer is "Option (3)".

The logic followed here is: Alphabet are arranged according alphabet series.

• PRACTISE
  • Alphabetical order of letters: A > C> E > I > P > R > S > T
  • 

Similarly,

• TECHNOLOGY
  • Alphabetical order of letters: C > E > G > H > L > N > O > O > T > Y 
  • 

Hence, 'CEGHLNOOTY' is the correct answer.

The least possible Venn diagram for the given statement is as follows:

I) Some neighbours are uncles → Does not follow → As all uncle are relatives and some relatives are neighbours. We can not say anything about some neighbours are uncles.
II) Some uncles are employed → Does not follow →  As all uncles are reatives, some relative are neighbours and All neighbours are employed so from this statement we can not say anything about some uncles are employed. It could be possible or not.
III) Some relatives are employed → Follow → As some relatives are neighbours and All neighbours are employed. It means some relative who are neighbours are definitely employed.
Hence, the correct answer is "Only conclusion III follows".

According to the question, we have to find the number of triangles in given figure.
Draw and count the triangle which are formed in this figure.
 
There are total 7 triangles in this figure.

According to question, we have to find that figure which is gien in question is embedded in which of the option.
By analysing the options, we found that by rotating option A in anticlockwise direction by 9090 degree, we can observe the figure given in question, but it can not be observed in rest of the options.

Hence, option A is correct.

According to question, we have to find out the mirror image of given figure in question from the given options, Now, we know that; to find out the mirror image, the given figure should be rotated about the horizontal axis in clockwise direction through 180º. Therefore, the mirror image will be inverted with respect to horizontal axis as shown below and hence, option is the correct answer.

According to question, we have to find out the mirror image of given figure in question from the given options, Now, we know that; to find out the mirror image, the given figure should be rotated about the horizontal axis in clockwise direction through 180º. Therefore, the mirror image will be inverted with respect to horizontal axis as shown below and hence, option is the correct answer.

According to question, we have to find the correct equation that we get by interchanging signs and numbers given in question. Therefore, we solve each and every option as shown below:
Option 1:
10 × 5 ÷ 3 + 1 = 7/2
By interchanging signs and numbers:
⇒ 5 ÷ 10 × 3 + 1
⇒ (1/2) × 3 + 1
⇒ (3/2) + 1
⇒ (3+2)/2 ⇒ 5/2
Option 2:
5 + 4 × 10 ÷ 1 = 29/2
By interchanging signs and number:
⇒ 10 + 4 ÷ 5 × 1 
⇒ 10 + (4/5)
⇒ (50+4)/5
⇒ 54/5
Option 3:
10 × 5 ÷ 4 + 1 = 3
By interchanging signs and numbers:
⇒ 5 ÷ 10 × 4 + 1
⇒ (1/2) × 4 + 1
⇒ 2 + 1 ⇒ 3
As the option 3 equation become correct after changing signs and numbers, therefore, we don’t have to check next option.
Hence, option 3 is correct.  

We know that, in dictionary, words will appear in alphabetical order, therefore, we first arrange the words with respect to first letter of given words in alphabetical order, and if the first letter of each word is same then we arrange the words with respect to second letter and so on. Therefore, the correct order in dictionary of given words will be:
3. India
4.Indica
5. Inglot
1. Inking
2. Innings
Hence, the option A is correct.

The pattern that is followed in the given alphabetical series is shown below:
 
As we can see from above pattern that number of letters are continuously increased by 1 and the first letter of each succesive words in given series is +2 position ahead of last letter of previous word. Hence, next letter of series is OPQRS.

Here, the options are the perfect cube of number except one.
1³ = 1
4³ = 64
6³ = 216
Here first three number are similar but 256 is not a perfect cube of any number, so this is the odd one.
Hence, option D is correct.

The relationship between 'director', 'actor' and 'book' is that both directors and actors are related to movies/TV series. Also, some actors can be directors and vice versa. However, 'book' is an entirely different thing and has nothing in common with the other two classes.
Therefore, the Venn diagram will be as shown below:
 

The relation  is defined as follows:
18 : 289 ⇒18 – 1 = 17 and 17² = 289
Similarly, for 15 : ?:
15 – 1 = 14 and 14² = 196
Therefore, the missing number is 196.

According to question we have to find the word which can not be formed with the help of letters present in ' NOURISHMENT'.
The word TRIM, NOURISH and SOUR has all the letters which  form the word ‘NOURISHMENT’ .
The word 'TRAUMA'  has letter A which is not present in word NOURISHMENT, hence, it can not be created with the help of letters present in NOURISHMENT'.
Therefore, option C is correct.

According to question:
The ratio of the present age of R and S is 3 : 5.
After 6 years,
The ratio became 2:3.
Let us assume the present age of R and S be 3x and 5x. respectively.
After 6 years,
Age of R = 3x+6,
Age of S = 5x+6,
Accoring to question:
⇒ (3x + 6)/(5x + 6) = 2/3
⇒ 3(3x+6) = 2(5x+6)
⇒ 9x+18 = 10x+12
⇒ 10x+12 = 9x+18
⇒ 10x−9x = 18−12
⇒ x = 6
Therefore, present age of R = 3x = 3 × 6 = 18 years.

Given :
Total number of soaps sold in a year = 15 crore units.
Solution :
Number of soaps sold by Brand C = 18 % of total sale
⇒ (15 × 18) / 100
⇒ 2.7 crore
Number of soaps sold by Brand E = 32 % of total sale
⇒ (15 × 32) / 100
⇒ 4.8 crore 
Total number of soaps sold by Brand C and Brand E together :
⇒ 2.7 crore + 4.8 crore
⇒ 7.5 crore
Hence the correct answer is "7.5 Crore".

Given:
sin(3A) = cos(70° - A)
Concept used: 
Using the concept of trigonometric ratio.
Calculation:
sin(3A) = cos(70° - A)
⇒ sin(3A) = sin[90° - (70° - A)]
⇒ sin(3A) = sin(20° + A)
⇒ 3A = 20° + A
⇒ 2A = 20° 
⇒ A = 10°  
∴ The value of A is 10°.

Given
sinθ - cosθ = 1/2
Concept used
(a - b)² = a² + b² -2ab
Calculation
(sinθ - cosθ)² = 1/4
sin²θ + cos²θ - 2sinθcosθ = 1/4
-2sinθcosθ = 1/4 - 1
2sinθcosθ = 3/4
(sinθ + cosθ)² = 1 + 3/4
sinθ + cosθ = √7/2.

Given:
Cost price of 15 articles = Rs. 15
Selling price of 1 article = Rs. 1.23
Concept used:
Profit percentage =  here S.P is selling price and C.P is cost price.
Calculation:
Selling price of 15 article = 15 × 1.23 = Rs. 18.45 
Here, S.P = Rs. 18.45 and C.P = Rs. 15
Profit percentage = 
⇒ (3.45/15) x 100%
⇒ 23%
∴ The profit percentage is "23%".

Let's assume the age of the man as x, and the age of his son as y.
As the average age of a man and his son is 45 years, 
i.e., (x+y)/2 = 45
⇒ x+y = 90-----(1) 
and the ratio of their age is 2:1, respectively
i.e., x/y = 2/1 -----(2) 
From equation (2), we get:
x = 2y
Substituting x = 2y in equation (1), we get:
2y + y = 90
⇒ 3y = 90
⇒ y  = 30
Substituting y = 30 in x = 2y, we get:
x = 2 * 30 = 60
Therefore, the man is 60 years old and his son is 30 years old.