CRPF Head Constable Mock Test - 1 - CRPF Head Constable MCQ

CRPF Head Constable Mock Test - 1 - CRPF Head Constable MCQ

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100 Questions MCQ Test CRPF Head Constable Mock Test Series 2024 - CRPF Head Constable Mock Test - 1

CRPF Head Constable Mock Test - 1 for CRPF Head Constable 2024 is part of CRPF Head Constable Mock Test Series 2024 preparation. The CRPF Head Constable Mock Test - 1 questions and answers have been prepared according to the CRPF Head Constable exam syllabus.The CRPF Head Constable Mock Test - 1 MCQs are made for CRPF Head Constable 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for CRPF Head Constable Mock Test - 1 below.
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CRPF Head Constable Mock Test - 1 - Question 1

Direction: In the following question, select the number which can be placed at the sign of the question mark (?) from the given alternatives.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 1

The pattern follows here is:
From the first diagram:
= (122+142) − (112+82)
= (144+196) − (121+64)
= 340 − 185
= 155
From the second diagram:
= (132+172) − (92+122)
= (169+289) − (81+144)
= 458 − 225
= 233
From the third diagram:
= (162+202) − (122+152)
= (256+400) − (144+225)
= 656 − 369
= 287
Thus, "287" is the correct answer.

CRPF Head Constable Mock Test - 1 - Question 2

Direction: In the following question, arrange the given words in a meaningful sequence and select the most appropriate sequence from the given alternatives. Police Crime Punishment Judge Judgement

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 2

2, 1, 4, 5, 3 is the correct logical and meaningful order.
Meaningful order of words is:
Crime → Police → Judge → Judgement → Punishment
First crime will occur then police will come then police pass the case to the judge then judgement will pass and finally punishment given to a person convicted of a crime.

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CRPF Head Constable Mock Test - 1 - Question 3

Direction: Select the Answer figure that will complete the series of question figures.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 3

The Logic followed here is:
The Arrow is moving in his same position Clockwise and the circle is changing its position when the new shape is inserted.
The Square which has 4 sides its side increases by +1 and changes to Pentagon of side 5 same as the Triangle which has 3 sides its side increases by +1 and changes to Square of 4 sides.

CRPF Head Constable Mock Test - 1 - Question 4

Direction: In the following question below some statements are given followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusions logically follows the given statements.
Statements:
Some sky is blue.
Some blue is not white.
Conclusions:
I. No white is blue.
II. Some white is blue.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 4

The least possible diagram for the given statements is as follows,

Conclusions:
I. No white is Blue. → False (It is possible but not definite)
II. Some white is blue. → False (It is possible but not definite)
Conclusions I and II are complementary pair.
So, either conclusion I or II follows.

CRPF Head Constable Mock Test - 1 - Question 5

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

V, R, M, G, ?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 5

The pattern followed here is:
V – 4 = R
R – 5 = M
M – 6 = G
G – 7 = Z

CRPF Head Constable Mock Test - 1 - Question 6

Rohit started walking towards the west. He walked for 300 m and turned to his right from the post office. From there, he walked for 200 m. He then turned to the left and walked a few steps. Rohit is now standing in front of which direction?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 6

According to the given information, we can draw the following diagram:

So, Rohit is now standing in front of West direction.

CRPF Head Constable Mock Test - 1 - Question 7

Direction: Study the following information and answer the question carefully:
A is father of B who is brother-in-law of C who is son of D. E has only two children, one son and one daughter. F and G are grandson of D. E is mother-in-law of C. H is daughter-in-law of D who has only one child. B is son of E.

Q. What is the relation of D with respect to G?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 7

From the given information,

1. H is daughter-in-law of D who has only one child. (So, D has only one son)
2. F and G are grandson of D. (F and G are sons of H)
3. A is father of B who is brother-in-law of C who is son of D. (As D has only one child so B’s sister is wife of C)
4. E is mother-in-law of C. (So, E is wife of A)
5. E has only two children, one son and one daughter. (So, B is son of E and H is daughter of E)

D’s gender is not mentioned.
So, D’s relation with G cannot be determined.

CRPF Head Constable Mock Test - 1 - Question 8

Direction: In the following question, select the related letter/letters from the given alternatives.

Q. OEWE : TZGJ :: GKLN : ?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 8

Given,

We get,

CRPF Head Constable Mock Test - 1 - Question 9

Direction: Study the following information carefully and answer the following questions.
An uncertain number of person is sitting in a row facing towards North. Q is sitting second from on the extreme ends. S is sitting seventh to the right of M. L is sitting exactly in between Q and S. O is sitting third to the left of R. Only two people are sitting between Q and M. Only one person is sitting between S and O. P is sitting second to the left of N who is sitting fourth to the right of R. R is not an immediate neighbour of S.

Q. How many people are sitting in the row?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 9

Facing: North
1) Q is sitting second from on the extreme ends.
(Here two cases are possible Case I Q is sitting second from the extreme North end Case II where Q is sitting second from the extreme south end)
2) Only two people are sitting between Q and

3) S is sitting seventh to the right of M.
Here Case II eliminates as Q is sitting second from the extreme end so S will not sit beyond.
4) L is sitting exactly in between Q and S.

5) Only one person is sitting between S and O.
(As O can sit both the sides of S. So, In Case I.I O is sitting second to the right of S and in Case I.II O is sitting second to the left of S.)
6) O is sitting third to the left of R.

7) R is not an immediate neighbour of S.
Here Case I.II eliminates as R is not an immediate neighbour of S.
8) P is sitting second to the left of N, who is sitting fourth to the right of R.
The final arrangement

So, 21 people are sitting in the row.
We always count the number of person whether they are defined or not in the final arrangement so here we will count all the seats as these are for the persons.

CRPF Head Constable Mock Test - 1 - Question 10

Direction: Study the following information carefully and answer the following questions.
An uncertain number of person is sitting in a row facing towards North. Q is sitting second from on the extreme ends. S is sitting seventh to the right of M. L is sitting exactly in between Q and S. O is sitting third to the left of R. Only two people are sitting between Q and M. Only one person is sitting between S and O. P is sitting second to the left of N who is sitting fourth to the right of R. R is not an immediate neighbour of S.

Q. PWho is sitting at the extreme right end of the row?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 10

Facing: North
1) Q is sitting second from on the extreme ends.
(Here two cases are possible Case I Q is sitting second from the extreme North end Case II where Q is sitting second from the extreme south end)
2) Only two people are sitting between Q and

3) S is sitting seventh to the right of M.
Here Case II eliminates as Q is sitting second from the extreme end so S will not sit beyond.
4) L is sitting exactly in between Q and S.

5) Only one person is sitting between S and O.
(As O can sit both the sides of S. So, In Case I.I O is sitting second to the right of S and in Case I.II O is sitting second to the left of S.)
6) O is sitting third to the left of R.

7) R is not an immediate neighbour of S.
Here Case I.II eliminates as R is not an immediate neighbour of S.
8) P is sitting second to the left of N, who is sitting fourth to the right of R.
The final arrangement
So, N is sitting at the extreme right end of the row.

CRPF Head Constable Mock Test - 1 - Question 11

Direction: A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

Q. AC, FH, KM, PR, ?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 11

It follows (+5, +5) pattern.

CRPF Head Constable Mock Test - 1 - Question 12

In a code language, CANDLE is written as FMEOBD. How will FIXING be written in that language?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 12

Given: CANDLE is written as FMEOBD
The logic followed here is:

Similarly,

Therefore, HOJYJG is the correct answer.

CRPF Head Constable Mock Test - 1 - Question 13

Direction: In the following question, find the odd one from the given alternatives.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 13

IISC Bengaluru, IIT Hyderabad, and NIT Calicut are the technical colleges in India. While Kotak Mahindra Bank is a Bank in India.

CRPF Head Constable Mock Test - 1 - Question 14

Which letter-cluster will replace the question mark (?) to complete the given series?

WAVR, ZHGG, ?, FVCK, ICNZ

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 14

Here, the alphabets and their positions are shown as below:

The logic here is: The first letter is added by 3 to get the next 1st letter. Similarly the 2nd letter by +7, 3rd letter by +11 and the 4th letter by +15.
Thus, we have:

Hence, the correct answer  is 'CORV'
Confusion Point: Keep in mind the positions of all the letters.

CRPF Head Constable Mock Test - 1 - Question 15

If "DELHI" is coded as "CCIDD", then "BOMBAY" will be coded as-

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 15

The pattern for the code is as follows:-

Similarly,

Hence, BOMBAY will be written as AMJXVS.

CRPF Head Constable Mock Test - 1 - Question 16

Select the set in which the numbers are related in the same way as are the numbers of the following set.
(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is NOT allowed)
(27, 5, 352)
(51, 2, 583)

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 16

The pattern followed here is:
Logic: (First number + Second number) × 11 = Third number.
(27, 5, 352)
⇒ (27 + 5) × 11 = 32 × 11 = 352 Third number.
And,
(51, 2, 583)
⇒ (51 + 2) × 11 = 53 × 11 = 583 Third number.
Similarly,
(9, 41, 550)
⇒ (9 + 41) × 11 = 50 × 11 = 550 Third number.
Hence, the correct answer is "(9, 41, 550)".

CRPF Head Constable Mock Test - 1 - Question 17

A, B, C, D, E, F and G are 7 friends sitting in a row, facing north. A is at the extreme right. B is at the extreme left. D is the immediate neighbour of A and G. C is the neighbour of E and B. Who is sitting in the middle of the row?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 17

Friends: A, B, C, D, E, F and G, facing north.
1) ​A is sitting to the extreme right and B to the extreme left.

2) D is the neighbor of A and G therefore D should be 2nd from right and G 3rd from right.

3) C is the neighbor of E and B therefore C should be sitting 2nd from left and E 3rd from left.

• The only position now left for F is in the middle.

Thus F sits in the middle position.
Hence, the correct answer is "F".

CRPF Head Constable Mock Test - 1 - Question 18

In a certain code language, 'RABBIT' is written as ‘UCEDLV’ and 'DONKEY' is written as ‘GQQMHA’. How will 'TURTLE' be written in that language?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 18

According to the English alphabet series and its positional value:

The logic in this is that the word has been coded by adding 3 and 2 in the alternate letters of the word.
Let's check this logic in the word RABBIT,

Similarly, verifying the logic in the word DONKEY,

Now, using the same logic TURTLE can be coded as,

Hence, the correct answer is "WWUVOG".

CRPF Head Constable Mock Test - 1 - Question 19

Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series.

M B V _ M B _ CM _ V C _ B V C M B _ _

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 19

Given: M B V _ M B _ CM _ V C _ B V C M B _ _
Let's check each option:
1)  CMCBMC → M B V C M B M CM C V C B B V C M B M C
2)  CVBMVC → M B V C M B V CM B V C M B V C M B V C
3)  MVCVB → M B V M M B V CM C V C V B V C M B B _
4)  BCVBCM → M B V B M B C CM V V C B B V C M B C M
So, by putting option 2) in the series "M B V C" is repeating itself.
Hence, ‘CVBMVC’ is the correct answer.

CRPF Head Constable Mock Test - 1 - Question 20

In which answer figure will complete the pattern in the following question figure?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 20

As you can see, the figure in option 1 is the right one to complete the pattern.
Hence option 1 is the right answer.

CRPF Head Constable Mock Test - 1 - Question 21

Refer to the following letter series and answer the question.
(Left) Q A Y S R E Z I L X B O P A R D I H O U K (Right)
How many such consonants are there, each of which is immediately preceded by a vowel and also immediately followed by a vowel?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 21

Given series: (Left) Q A Y S R E Z I L X B O P A R D I H O U K (Right)
Required pattern: Vowel → Consonant → Vowel
So, There are 3 consonants are there, each of which is immediately preceded by a vowel and also immediately followed by a vowel.
Hence, "Option 3" is the correct answer.

CRPF Head Constable Mock Test - 1 - Question 22

If 'A \$ B' means 'A is the mother of B', 'A @ B' means 'A is the brother of B', A + B' means 'A is the husband of B', then how is E related to K in the expression 'E \$ G \$ Y @ K + W'?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 22

According to given conditions,

Given : E \$ G \$ Y @ K + W
So,

• E \$ G → E is the mother of G.
• G \$ Y → G is the mother of Y.
• Y @ K → Y is the brother of K.
• K + W → K is the husband of W.

Thus, according the final family tree E is the maternal grandmother of K.
Hence, "Maternal grandmother" is the correct answer.

CRPF Head Constable Mock Test - 1 - Question 23

A paper is folded and cut as shown in the following figures. How will it appear when unfolded ?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 23

After unfolding the given paper the figure formed is as shown below :

Hence, the correct answer is "Option 4".

CRPF Head Constable Mock Test - 1 - Question 24

Select the option that is related to the third number in the same way as the second number is related to the first number and sixth number is related to the fifth number.

33 ∶ 101 ∶∶ 39 ∶ ? ∶∶ 35 ∶ 107

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 24

The logic followed here is:
Second number = (First number × 3) + 2
⇒ 33 ∶ 101 → (33 × 3) + 2 = 99 + 2 = 101
⇒ 35 ∶ 107 → (35 × 3) + 2 = 105 + 2 = 107
Similarly,
⇒ 39 ∶ ? → (39 × 3) + 2 = 117 + 2 = 119
Hence, option (2) is the correct answer.

CRPF Head Constable Mock Test - 1 - Question 25

Six students are sitting around a circular table facing the centre. Salman is an immediate neighbour of both Kiran and Shwetha. Bala is sitting second right to Salman. Shwetha is sitting third to the left of Bala. Akshay is an immediate neighbour of both Bala and Nishitha. Who is the immediate neighbour of Nishitha and Salman?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 25

*-From the given information:/
Step 1: Salman is an immediate neighbour of both Kiran and Shwetha. Bala is sitting second right to Salman.

We place Salman in between Shwetha and Kiran and then place Bala second to the right of Salman.
Step 2: Shwetha is sitting third to the left of Bala. Akshay is an immediate neighbour of both Bala and Nishitha.

We place Akshay next to Bala and then place Nishitha at the last spot left.
From the arrangement, we can see that Shwetha is the immediate neighbour of Nishitha and Salman.
Hence the correct answer is option (3).

CRPF Head Constable Mock Test - 1 - Question 26

Two trains 400 m and 350 m long are running on the parallel track at the rate of 80 km/hr and 90 km/hr respectively. If they are running in the same direction, how much time they will take to cross each other?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 26

Given:
Length of first train L1 = 400 m
Length of second train L2  = 350 m
Speed of first train S1= 80 km/hr
Speed of second train S2 = 90 km/hr
Calculations:
The relative speed of two trains in the same direction = S1 – S2
(90 – 80) = 10 km/hr = 10 × (5/18)m/s
Let, Total distance = sum of the length of two trains = 750 m
Now, the time is taken to cross each other =

∴ 270 sec of time will be required to cross each other.

CRPF Head Constable Mock Test - 1 - Question 27

Direction: Select the number from among the given options that can replace the question mark (?) in the following series.

Q. 2,6,12,20,30,42,?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 27

The logic followed here is:

Therefore, ‘56’ is the correct answer.

CRPF Head Constable Mock Test - 1 - Question 28

Arrange the following decimal numbers in ascending order :
3.6,3.06,3.306,0.306

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 28

The ascending order is: 0.306,3.06,3.306,3.6

CRPF Head Constable Mock Test - 1 - Question 29

The speed of a boat in still water is 12 km/hr more than that of current. If the speed of the current is 1.25x km/hr and the time taken by the boat to cover 160 km in downstream is 5 hours then find the value of ‘x’.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 29

Given,
The speed of the current is 1.25x km/hr.
And the speed of a boat in still water is 12 km/hr more than that of current.
According to the question,
The speed of a boat + The speed of the current =
1.25x + 1.25x + 12 = 160/5
Or, 2.5x = 20
Or, x = 8

CRPF Head Constable Mock Test - 1 - Question 30

Direction: The table shows the number of national parks and wild life sanctuaries in different states. Study the table carefully and answer the following questions.

Q. What is the ratio of National parks to Wild life sanctuaries?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 30

∴ Required Ratio = 42 ∶ 221

CRPF Head Constable Mock Test - 1 - Question 31

Direction: The table shows the number of national parks and wild life sanctuaries in different states. Study the table carefully and answer the following questions.

Q. What is the average of all the national parks together?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 31

∴ Required average = 42/6 = 7.

CRPF Head Constable Mock Test - 1 - Question 32

A man bought 13 articles at Rs. 70 each, 15 at Rs. 60 each and 12 at Rs. 65 each. The average price per article is:

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 32

Given,
Man bought 13 articles = at Rs. 70 each
15 articles = at Rs. 60 each
12 articles = at Rs. 65 each
As we know,
Average =
Cost of 13 articles = 13×70 = Rs. 910
Cost of 15 articles = 15×60 = Rs. 900
Cost of 12 articles 12×65 = 780
Average of each article =
= 2590/40 = Rs. 64.75.

CRPF Head Constable Mock Test - 1 - Question 33

The LCM of two numbers is 40 times its HCF. If the product of the numbers is 1440, find their HCF:

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 33

Given:
LCM = 40 times HCF
The product of the numbers is 1440
We know that:-
LCM×HCF= Product of numbers
HCF of the number be 'H'
⇒ LCM = 40H
Now,
LCM × HCF = Product of numbers

⇒ H = 6
∴ HCF = 6.

CRPF Head Constable Mock Test - 1 - Question 34

If the length and the breadth of a rectangle are 12cm and 16cm respectively, find the area of the square with the same perimeter (in cm2 ).

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 34

Given:
Length of the rectangle = 12cm
Breadth of the rectangle = 16cm
The perimeter of the rectangle = 2(a+b),
Where a and b are the length and breadth of the rectangle respectively.
The perimeter of the square = 4a
Area of the square = a2,
Where a is the side of the square.
Perimeter of the rectangle = 2(12+16)
= 2 × 28
= 56cm
According to the question,
4a = 56
⇒ a = (56/4)
⇒ a = 14cm
Area of the square =142
= 14×14
= 196cm2
∴ The area of the square is 196cm2.

CRPF Head Constable Mock Test - 1 - Question 35

A, B and C individually can do a work in 10 days, 12 days and 15 days respectively. If they start working together, then the number of days required to finish the work is:

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 35

Given,
A, B and C individually can do a work in 10 days, 12 days and 15 days respectively.
Work done by A, B and C in 1 day

= 15/60 = 1/4
Required time = 4 days.

CRPF Head Constable Mock Test - 1 - Question 36

Present ages of Sameer and Anand are in the ratio of 5:4 respectively. Three years hence, the ratio of their ages will become 11:9 respectively. What is Anand's present age in years?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 36

Let the present ages of Sameer and Anand be 5x years and 4x years respectively.
Three years hence, the ratio of their ages will,

∴ Anand's present age = 4x
⇒ 4×6 = 24 years

CRPF Head Constable Mock Test - 1 - Question 37

The perimeter of a rectangle having area equal to 144 cm2 and sides in the ratio 4:9 is:

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 37

Given:
The area of the rectangle is 144 cm2 and the sides are in the ratio 4:9.
Let the length be 4x and the breadth be 9x.
Area of a rectangle = length× breadth
⇒ 144 = 4x × 9x
⇒ 144 = 36x2

Therefore, the length = 4×2 = 8 cm and the breadth = 18 cm
Now, to find the perimeter.
Perimeter of a rectangle = 2 (Length + Breadth)
Perimeter  = 2(8+18)
Perimeter = 2 × 26
Perimeter = 52 cm
Therefore, the perimeter = 52 cm.

CRPF Head Constable Mock Test - 1 - Question 38

The price of Maruti car rises by 30% while the sales of the car come down by 20%. What is the percentage change in the total revenue?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 38

Let initial price of Maruti Car be Rs. 100
As price increases 30%, price of car will become,
(100+30% of 100)= Rs. 130
Due to increase in price, sales is down by 20%. It means, it is going make 20% less revenue as expect increment of price
So, New revenue
=(130−20% of 130)= Rs. 104
The initial revenue was Rs. 100 which becomes Rs. 104 at the end,
It means there is 4% increment in revenue.

CRPF Head Constable Mock Test - 1 - Question 39

Express  as a vulgar fraction.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 39

Given:
Number =
Concept Used:
A vulgar fraction, common fraction or fraction is a fraction written in the usual way which is one number (integer) above another (integer) separated by a line
Calculations:
⇒ Number is
Here,
The bar has only on 1 number and number after the decimal and before the bar has only one number
⇒ so, Denominator = 90
⇒ before the bar, There have 4, so
⇒ Numerator = 41 - 4 = 37
So the fraction will become
⇒ Number = 37/90
⇒ Hence, The fraction will become 37/90.

CRPF Head Constable Mock Test - 1 - Question 40

If a man travels from A to B at a speed of 50 km/h and returns by increasing his speed by 40%, then find his average speed (to 2 decimal places) for both the trips.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 40

Given:
A man travels from A to B at a speed of 50 km/h and returns by increasing his speed by 40%
Concept used:
When distance travelled is same, Average speed =  2S1S2/[S1 + S2]
Calculation:
S1 = 50 km/h and S2 = (140/100) × 50 = 70 km/h
∴ Average speed =  2 × 50 × 70 /[50 + 70]
= 7000/120
= 58.33 km/h

CRPF Head Constable Mock Test - 1 - Question 41

The price of the rice is Rs. 12/kg and that of another is Rs. 29/kg. Find the ratio in which two varieties should be mixed so that the price of the mixture is Rs. 21/kg.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 41

Given:
CP of rice1 = 12/kg
CP of rice2 = 29/kg
CP of mixture = 21/kg
Calculations:
By Allegation method

∴ Required ratio is 8 : 9

CRPF Head Constable Mock Test - 1 - Question 42

The H.C.F of two numbers is 23 and the other two factors of their L.C.M are 13 and 14. The larger of the two numbers is

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 42

Given:
HCF of two numbers = 23
two factors of their L.C.M are 13 and 14.
Calculation:
HCF is 23,
So the other two numbers would be (23 × 13) and (23 × 14).
∴ The larger number is (23 × 14) = 322.

CRPF Head Constable Mock Test - 1 - Question 43

The simple interest on a sum of money for 2 years at 8% is Rs. 1200. What will be the compound interest on that sum at the same rate and for the same period?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 43

Given:
Time = 2 yrs
Rate = 8%
SI = Rs 1200
Formula used:
SI = ( P × R × T ) / 100
Amount (A) = P × (1 + r %)t
Calculation:
SI = ( P × R × T ) / 100
1200 = (P × 8 ×  2) / 100
P = 7500
Now,
Amount (A) = P × (1 + r %)t
A = 7500 × ( 1 + 8/100)2 = 8748
CI = A - P
CI = 8748 - 7500 = Rs 1248.
Hence, the correct answer is "1248".

CRPF Head Constable Mock Test - 1 - Question 44

Simplify:

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 44

Given:

Formula used:
(a + b)2 - (a - b)2 = 4ab
Calculations:
(a + b)2 - (a - b)2
⇒ a2 + b2 + 2ab - {a2 + b2 - 2ab}
⇒ 2ab + 2ab = 4ab
Now,

CRPF Head Constable Mock Test - 1 - Question 45

An article was sold for ₹ 18,000 at a profit of 12.5%. Find the cost price.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 45

Given:
An article was sold for ₹ 18,000 at a profit of 12.5%.
Calculation:
Let the cost price be 100a
According to the question,
100a + 100a × 12.5% = 18000
⇒ 112.5a = 18000
⇒ a = 18000/112.5
⇒ a = 160
So, cost price = 100 × 160
⇒ Rs. 16000
∴ The cost price is ₹ 16,000.

CRPF Head Constable Mock Test - 1 - Question 46

The average age of A, B and C, 5 years ago, was 32 years. The average age of B and C, 6 years ago, was 28.5 years. A will retire at the age of 60. After how many years from now will he retire?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 46

Given:
The average age of A, B and C, 5 years ago, was 32 years.
The average age of B and C, 6 years ago, was 28.5 years.
Concept used:
Total = Average × Number of entities
Calculation:
Let the present age of A, B and C be denoted by A, B and C.
According to the question,
(A - 5) + (B - 5) + (B - 5) = 32 × 3
⇒ (A + B + C) = 111      ....(1)
(B - 6) + (C - 6) = 28.5 × 2
⇒ (B + C) = 69      ....(2)
(1) - (2) we get,
A = 111 - 69 = 42
A will retire in = (60 - 42) = 18 years
∴ After 18 years from now, A will retire.

CRPF Head Constable Mock Test - 1 - Question 47

A person deals with second hand goods. He bought a second hand refrigerator for Rs. 8000. He spends Rs. 200 on transport and Rs. 1800 on its repair and sells it for Rs. 11500. What is his gain or loss percentage?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 47

Given:
He bought a second hand refrigerator for Rs. 8000. He spends Rs. 200 on transport and Rs. 1800 on its repair and sells it for Rs. 11500
Formula used:

Calculation:
Cost price of the person = 8000 + 200 (Transport) + 1800 (repair)
= 10,000
Selling Price = 11500

= 1500/100 = 15%

CRPF Head Constable Mock Test - 1 - Question 48

The smallest number which on adding 17 to it is exactly divisible by 32, 48, and 72:

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 48

Given:
Numbers are 32, 48 and 72
Calculation:
LCM of 32, 48, and 72
LCM=2 × 2 × 2 × 2 × 3 × 2 × 3 = 288.
The smallest number which on adding 17 means we have to subtract the number 17 from LCM then we get the required number,
∴ Required number = 288 - 17 = 271.

CRPF Head Constable Mock Test - 1 - Question 49

How is 9/5 expressed as a percentage?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 49

Given:
Fraction = 9/5
Concept used:
To convert a fraction to a percentage, multiply it by 100.
Calculation:
9/5 in percentage = (9/5) x 100
⇒ 900/5 = 180%
∴ The correct answer is 180%.

CRPF Head Constable Mock Test - 1 - Question 50

The length of a rectangular plot is 20 m more than its breadth. The cost of fencing the plot is Rs. 2200 at the rate of Rs. 5 per meter. What is the length of the plot?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 50

Given:
The cost of fencing of the plot = 2200
Formula used:
The perimeter of the rectangle = 2 × (a + b)
Where a = The length of the rectangle, and b = The breadth of the rectangle
Calculation:
Let us assume the breadth of the rectangle be X
⇒ The length of the rectangle = X + 20
⇒ The perimeter of the rectangle = 2200/5 = 440 m
⇒ 440 = 2 × (X + X + 20)
⇒ 440 = 4X + 40
⇒ 440 - 40 = 4X
⇒ X = 100 m
⇒ The length of the rectangle = X + 20 = 100 + 20 = 120 m
∴ The required result will be 120 m.

CRPF Head Constable Mock Test - 1 - Question 51

Direction: Rewrite the sentence in the indirect speech.

Q. Sunder said, "I will go to my sister's house today."

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 51

Sunder said that he would go to his sister's house that day.
While changing the narration of an assertive sentence, we need to follow the given steps-

• The conjunction ‘that’ should be used in place of a comma (,) and inverted commas (“ ”).
• 'Said' remains unchanged.
• 'Will' is changed into 'would'.
• The first-person (I/my) is changed into the third-person (he/his) i.e. subject of the reporting verb. (Sunder)
• 'Today' is changed into 'that day'.
CRPF Head Constable Mock Test - 1 - Question 52

Direction: Select the most appropriate option to fill in the blank.

Q. "_______ of playing, the children went home".

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 52

Being tired of playing, the children went home.

• As the blank is folllwed by an verb clause so, we can't use "having" here.
• Here, the phrase Being tired is used with the sense of to exist; to be present
• It shows the state of children after playing before they went home.
CRPF Head Constable Mock Test - 1 - Question 53

Choose the correctly spelled word:

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 53

The correct spelled word is Preponderance.
Preponderance means if there is a preponderance of one type of people or things in a group, there are more of them than others.
For example: Indeed, the preponderance of the evidence shows that the risk of harm or death to the unvaccinated child from infections such as MMR is far greater than any associated with receiving the vaccine.

CRPF Head Constable Mock Test - 1 - Question 54

Which tense is formed by using "was/were + verb (ing)"?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 54

The structure of Past Continuous Tense is 'was/were + verb (ing)' so the correct answer is Past Continuous Tense.
Past Continuous Tense is a tense which is used to indicate the actions or conditions that were happening at some point in time in the past but have now finished.

CRPF Head Constable Mock Test - 1 - Question 55

Select the alternative that will improve the underlined part of the sentence in case there is no improvement select “No improvement”.

Q. It has been raining very hardly since morning.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 55

It has been raining very hardly since morning.
The word 'since' is used which means that the sentence is highlighting an event that has begun from a time in the past. So, the use of 'has' is correct.
'hardly' means scarcely which is incorrectly used. Instead of 'hardly', 'hard' must be used which means that it was raining heavily.

CRPF Head Constable Mock Test - 1 - Question 56

Direction: In these questions, the first and last sentence of the passage are numbered 1 and 6. The rest of the passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence and find out which of the four combinations is correct.
S1: Politeness is not a quality possessed by only one nation or race.
S6: In any case, we should not mock at others habits.
P. one may observe that a man of one nation will remove his hat or fold his hands by way of greeting when he meets someone he knows.
Q. a man of another country will not do so.
R. it is a quality to be found among all people and nations in every corner of the earth.
S. obviously, each person follows the custom of his particular country.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 56

An introductory clause is already given in the question that describes 'politeness'.

• Sentence R is the first sentence as it is in contrast with the introductory clause and emphasizes that politeness is possessed by everyone.
• Sentence P describes how one displays politeness and one's way of greeting someone. So, it is the second sentence.
• Sentence Q provides further information about someone from a different country. Thus, it is the third sentence.
• Sentence S is the concluding part as it provides a general statement regarding the customs of a country. It is the fourth sentence.

Thus, the correct arrangement would be RPQS.

CRPF Head Constable Mock Test - 1 - Question 57

Direction: Read the given passage and answer the question that follow by selecting the most appropriate option.
Have you ever wondered what the qualities of a really professional teacher are? I know that all teachers want their students to like them, but being liked isn't the be-all and end-all really, is it? I mean teachers have to make some unpopular decisions sometimes. Teachers can be popular just because they are friendly and helpful, but to be truly professional and effective, we need to be able to identify the skills and behaviour we require in a true professional. A professional teacher needs to be confident without being arrogant. Nobody can expect to have all the answers, so, if a student asks a real stinker, the professional teacher should be able to admit defeat but offer to find out more for the student. And they must carry that promise out. When the teacher enters the classroom, she / he should have all the required materials and the lesson-plan ready. And, in orchestrating the class, the teacher must give everyone their chance to contribute and should be flexible enough to modify lessons if they are obviously not going to plan. Indeed, a fallback position is part of good planning. It stands to reason also that a teacher must observe punctuality and appropriate tidiness and dress : it is not possible to demand such behaviour from students if the teacher doesn't set the standards.
The last thing I would mention is that teachers should be able to feel that their professionalism entitles them to back up from the school directors. If a teacher has a problem with class or student, then the school should have procedures for handling the difficulties. The teacher should not have to feel alone and vulnerable if a difficult situation rises. So, yes, professionalism cuts both ways: in the standards we demand of teachers and the framework we have for giving them support.

Q. Here, the fallback position is the system where _____ well-prepared.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 57

According to the passage: "Indeed, a fallback position is part of good planning. It stands to reason also that a teacher must observe punctuality and appropriate tidiness and dress : it is not possible to demand such behaviour from students if the teacher doesn't set the standards."
Here, the fallback position is the system where good teachers are well-prepared.

CRPF Head Constable Mock Test - 1 - Question 58

Direction: Read the given passage and answer the question that follow by selecting the most appropriate option.
Have you ever wondered what the qualities of a really professional teacher are? I know that all teachers want their students to like them, but being liked isn't the be-all and end-all really, is it? I mean teachers have to make some unpopular decisions sometimes. Teachers can be popular just because they are friendly and helpful, but to be truly professional and effective, we need to be able to identify the skills and behaviour we require in a true professional. A professional teacher needs to be confident without being arrogant. Nobody can expect to have all the answers, so, if a student asks a real stinker, the professional teacher should be able to admit defeat but offer to find out more for the student. And they must carry that promise out. When the teacher enters the classroom, she / he should have all the required materials and the lesson-plan ready. And, in orchestrating the class, the teacher must give everyone their chance to contribute and should be flexible enough to modify lessons if they are obviously not going to plan. Indeed, a fallback position is part of good planning. It stands to reason also that a teacher must observe punctuality and appropriate tidiness and dress : it is not possible to demand such behaviour from students if the teacher doesn't set the standards.
The last thing I would mention is that teachers should be able to feel that their professionalism entitles them to back up from the school directors. If a teacher has a problem with class or student, then the school should have procedures for handling the difficulties. The teacher should not have to feel alone and vulnerable if a difficult situation rises. So, yes, professionalism cuts both ways: in the standards we demand of teachers and the framework we have for giving them support.

Q. Here, ____ asks a real stinker ___ suggests that:

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 58

According to the passage: "A professional teacher needs to be confident without being arrogant. Nobody can expect to have all the answers, so, if a student asks a real stinker, the professional teacher should be able to admit defeat but offer to find out more for the student. And they must carry that promise out."
Here, .... asks a real stinker... suggests that students can be better informed than their teachers.

CRPF Head Constable Mock Test - 1 - Question 59

Direction: Select the most appropriate meaning of the idiom.

Q. Getting in everyone’s hair.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 59

Let's look at the meaning of the given idiom:
Getting in everyone's hair - to annoy everyone, usually by being present all the time. For Example: My sister has a habit of getting in everyone's hair whenever there is an important discussion.

CRPF Head Constable Mock Test - 1 - Question 60

Direction: Please choose one of the 4 alternatives that can be substituted for the given sentence.

Q. Story of an individual by himself

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 60

'Autobiography' is the biography of a person narrated by himself or herself.
Example: Gandhi Ji's autobiography, which he had titled 'My experiments with Truth' can be rated as one of the most popular and the most influential books in recent history.

CRPF Head Constable Mock Test - 1 - Question 61

Direction: A sentence with an underlined word is given below. Select the most appropriate antonym for the underlined word.

Q. She turned to remonstrate the idea put forward by her boss.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 61

The above sentence means she angrily turned to forcefully protest the idea put forward by her boss.
Let's look at the meaning of the underlined word and the option:

• Remonstrate: To make a forcefully reproachful protest; to angrily reject.
• Brace: Prepare to accept something difficult or unpleasant.

Here we find that while remonstrate is to forcefully protest and reject something, to brace is to accept something unpleasant.
Let's look at the meaning of other words:

• Expostulate: Express strong disapproval or disagreement.
• Downcast: To feel and be in low spirits.
• Ecstatic: Feeling or expressing overwhelming happiness.
CRPF Head Constable Mock Test - 1 - Question 62

Direction: This question has a sentence with three parts labeled (a), (b), and (c). Read each sentence to find out whether there is any error in the given parts and indicate your response corresponding letter i.e., (a) or (b), or (c). if you find no error, your response should be indicated as (d).

Q. I cannot (a)/ cope up (b)/  with the pressure (c) No error(d)

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 62

Correct sentence: I cannot cope with the pressure.

• The meaning of the verb cope is to manage.
• 'Cope' is followed by the preposition 'with' and never followed by 'up'.
• “Cope up” is an interpretation that is sometimes used incorrectly in place of “keep up.”
• “Cope” is an intransitive verb meaning to deal with something well, despite or in the face of some difficulty.
• So, the option "cope up" contains an error.
CRPF Head Constable Mock Test - 1 - Question 63

Select the alternative that will improve the underlined part of the sentence in case there is no improvement select “No improvement”.

Q. Dinesh requested the lady at the counter to give him a seat besides the window.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 63

The correct sentence will be:
"Dinesh requested the lady at the counter to give him a seat beside the window."
Since, 'seat' starts with a consonant, so the use of 'a' is correct.
'Beside' means 'at the side of'.
'Besides' mean 'in addition to something'.
Here, beside must be used as the sentence talks about the location.

CRPF Head Constable Mock Test - 1 - Question 64

Once upon a time there was a tree in the forest which had thin, pointed leaves. It felt sad when it saw the large, green leaves of the other trees swaying and rustling in the wind. "How unlucky I am!" it moaned. "If only God gave me leaves of gold, I could stand proud among my neighbours and shine with dazzling brilliance in the sun." The next morning the tree stood transformed. It had leaves of gold. It looked around at the other trees and saw how envious they were. But when night fell, a greedy man crept close to the tree and plucked all the golden leaves, put them into a sack and stole away. "Oh, how unlucky I am", the tree lamented again. "But perhaps I can have leaves made of glass. They will shine brighter than gold and no one will steal them." The next morning the tree was again transformed. When the rays of the sun fell on the tree, they were reflected in all directions. The tree felt proud of its leaves. But that night there was thunder and lightning, and the wind blew violently and shook the tree. All its glass leaves were broken. "Bad luck, again", sighed the tree. "Let me have beautiful green leaves like the other trees, but let mine be perfumed." This wish was granted too, and the next day the whole forest was filled with sweet smell of its leaves. But within a few hours, goats from all around the forest gathered, drawn by the pleasant smell, and nibbled at the leaves until not a trace of green was left on the tree. "How foolish I have been", said the tree sadly. "My own leaves are best for me, not any other. I've learnt my lesson." The next day the tree stood covered once again with thin, pointed leaves. It felt as proud of its own leaves as the other trees felt of theirs.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 64
• The most appropriate title of the given passage is 'Not being able to accept yourself'.
• In the given passage, the line 'All its glass leaves were broken. "Bad luck, again", sighed the tree. "Let me have beautiful green leaves like the other trees, but let mine be perfumed."
• This clearly states that the given words were uttered by the tree when the glass leaves were broken.
• Thus, the correct answer is Option 1.

Correct Answer: When the glass leaves were broken.

CRPF Head Constable Mock Test - 1 - Question 65

Once upon a time there was a tree in the forest which had thin, pointed leaves. It felt sad when it saw the large, green leaves of the other trees swaying and rustling in the wind. "How unlucky I am!" it moaned. "If only God gave me leaves of gold, I could stand proud among my neighbours and shine with dazzling brilliance in the sun." The next morning the tree stood transformed. It had leaves of gold. It looked around at the other trees and saw how envious they were. But when night fell, a greedy man crept close to the tree and plucked all the golden leaves, put them into a sack and stole away. "Oh, how unlucky I am", the tree lamented again. "But perhaps I can have leaves made of glass. They will shine brighter than gold and no one will steal them." The next morning the tree was again transformed. When the rays of the sun fell on the tree, they were reflected in all directions. The tree felt proud of its leaves. But that night there was thunder and lightning, and the wind blew violently and shook the tree. All its glass leaves were broken. "Bad luck, again", sighed the tree. "Let me have beautiful green leaves like the other trees, but let mine be perfumed." This wish was granted too, and the next day the whole forest was filled with sweet smell of its leaves. But within a few hours, goats from all around the forest gathered, drawn by the pleasant smell, and nibbled at the leaves until not a trace of green was left on the tree. "How foolish I have been", said the tree sadly. "My own leaves are best for me, not any other. I've learnt my lesson." The next day the tree stood covered once again with thin, pointed leaves. It felt as proud of its own leaves as the other trees felt of theirs.

Q. What happened when the leaves turned into gold?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 65
• The most appropriate title of the given passage is 'Not being able to accept yourself'.
• The tree was feeling sad when it saw the large, green leaves of the other trees swaying and rustling in the wind.
• Let's refer to the passage from the third line: "How unlucky I am!" it moaned. "If only God gave me leaves of gold, I could stand proud among my neighbours and shine with dazzling brilliance in the sun." The next morning the tree stood transformed. It had leaves of gold. It looked around at the other trees and saw how envious they were. But when night fell, a greedy man crept close to the tree and plucked all the golden leaves, put them into a sack and stole away. "Oh, how unlucky I am", the tree lamented again. "But perhaps I can have leaves made of glass. They will shine brighter than gold and no one will steal them."
• The above lines clearly state that when the leaves turned into gold, a greedy man plucked all the golden leaves.
• Thus, the correct answer is Option 1.

Correct Answer: A greedy man plucked all the golden leaves.

CRPF Head Constable Mock Test - 1 - Question 66

Identify the segment in the sentence which contains a grammatical error.

They went on talking while the teacher were teaching an important lesson.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 66
• The given sentence is grammatically incorrect.
• Here, 'teacher was teaching' should be used instead of 'teacher were teaching'.
• The given sentence is an example of subject-verb agreement.
• In the given sentence 'the teacher' is a singular noun. Hence, a singular helping verb should be used.

Correct Sentence: They went on talking while the teacher was teaching an important lesson.

CRPF Head Constable Mock Test - 1 - Question 67

Identify the segment in the sentence which contains a grammatical error.

Novae is explosive event involving violent eruptions on the surface of white dwarf stars, leading to the temporary increase in brightness of the star.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 67
• In the given question 'Novae' is a plural form of the noun 'Nova'.
• 'Nova' is a star showing a sudden large increase in brightness and then slowly returning to its original state over a few months.
• Hence, 'are' (plural auxiliary verb) should be used instead of 'is' (singular auxiliary verb)
• And 'event' (singular) should be changed into 'events' (plural)​

Correct Sentence: Novae are explosive events involving violent eruptions on the surface of white dwarf stars, leading to the temporary increase in brightness of the star.

CRPF Head Constable Mock Test - 1 - Question 68

Fill in the blanks with suitable Article from the given alternatives.

Q. Dhruv is ________ kind hearted person.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 68
• Article: Article is used before a noun to define it as specific or unspecific.
• A and An: These are defined as unspecific article and are used to give a general or generic idea. The article 'a' is used before a noun which have consonant and 'An' is used before a noun which starts from a vowel sound.
• Example: Please give me an umbrella.
• The: It is a definite article and is used to give a specific or particular idea, and it can be used before both singular or plural nouns.
• Example: Please give me the blue umbrella.
• Here, in the sentence, the noun 'person' is not a specific noun.
• Thus, 'a' will be used in the blank.

Therefore, the correct sentence is: 'Dhruv is a kind hearted person.'

CRPF Head Constable Mock Test - 1 - Question 69

Direction: Choose the appropriate answer for the given sentence:

Q. He is going ______ Mexico next month.

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 69
• We can use to as a preposition to indicate a destination or direction.
• Example: We’re going to Liverpool next week.
• ​We use for to talk about a purpose or a reason for something.
• Example: I’m going for some breakfast. I’m really hungry.
• ​We use at to talk about points in time, ages and some periods of time.
• Example: I was up at 6 am this morning.
• We use by meaning ‘not later than’ to refer to arrangements and deadlines.​
• Example: The postman is always here by 11 am.
• Therefore, the preposition 'to' should be used to make the sentence grammatically correct.

Hence, the correct answer is 'to.'
​​Correct sentence: He is going to Mexico next month.

CRPF Head Constable Mock Test - 1 - Question 70

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase:

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 70

Let’s find out the meanings of the given options:-

• Buccaneer - A person who acts in a recklessly adventurous and often unscrupulous way, especially in business
• Braggart - A person who boasts about their achievements or possessions
• Bravura - Great technical skill and brilliance shown in a performance or activity
• Brazen - Bold and without shame

Hence, option 1 i.e. buccaneer is the correct answer.

CRPF Head Constable Mock Test - 1 - Question 71

Select the most appropriate synonym of the given word.

CARP

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 71
• The most appropriate synonym of the given word 'Carp' is 'Complain'.
• Carp: to complain all the time about matters that are not important
• Example: I can't stand the way he's always carping.
• Complain: to say that something is wrong or not satisfactory
• Example: Lots of people have complained about the noise.

Therefore, as per the points mentioned above, we find that the correct answer is Option 2.

CRPF Head Constable Mock Test - 1 - Question 72

Choose the correct meaning of the idiom.

Sniff test

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 72

The idiom 'a sniff test' means 'to see if something is suitable'. It is basically an informal reality check of an idea or proposal, using one's common sense or sense of propriety.
Thus, option 2 is the correct answer.

CRPF Head Constable Mock Test - 1 - Question 73

A brief biography of each author and criticism covering the main characteristics of his writings serve as starting points for the _____X_____. The references following both the _____Y_____ and criticism are given so that the study of the short story may be amplified and that high school teachers may build a _____Z_____ and serviceable library about their class work in the teaching of the story.

Q. Select the most appropriate word from the options against _____Y_____

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 73

Look at the meaning of the selected word:

• Biography- an account of someone's life written by someone else.
• Look at the following example:
• She wrote my biography.

Hence, the correct answer is "option 2"

• Look at the meanings of other words:
• Hydrography- the science of surveying and charting bodies of water, such as seas, lakes, and rivers.
• Geography- the study of the physical features of the earth and its atmosphere
• cardiography- The graphic recording of the movement.
CRPF Head Constable Mock Test - 1 - Question 74

Select the most appropriate antonym of the given word.

AFFINITY

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 74

The word 'affinity' means a natural liking for and understanding of someone or something.

• She has a special affinity with dogs.

The antonym of this word is aversion which means a strong dislike or unwillingness.

• I had a deep aversion to waking up early morning.

Hence, the correct answer is option 1.

CRPF Head Constable Mock Test - 1 - Question 75

Convert the given sentence into Indirect Speech.

David said to Anna, "Mona will leave for her native place tomorrow."

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 75

While changing the direct speech of the given sentence to indirect speech, we need to follow the given steps:

• 'Said to' is changed to 'told'.
• The conjunction 'that' is used instead of a comma(,) and inverted comma (" ").
• The third person remains unchanged.
• Modal 'will' will be changed into 'would'.
• Time and place are also changed while converting sentence into indirect speech.
• In the given sentence, 'tomorrow' will be converted into 'the next day'.
• The given sentence is in simple future tense so while converting it into indirect speech it will change into present conditional.

Hence, option 4 is the correct answer.
The correct sentence is: David told Anna that Mona would leave for her native place the next day.

CRPF Head Constable Mock Test - 1 - Question 76

Which ruler of the slave dynasty established the department of Diwan-i-arz?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 76

Balban was a Turkish slave, also known as Ulugh Khan. He itroduced the system of Prostration and Paibos. He introduced the system of the Persian festival of Navroz. He created a new department of military affairs known as Diwan-i-arz.

CRPF Head Constable Mock Test - 1 - Question 77

Which Indian badminton player won the silver medal at 2022 All England Open Badminton Championships?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 77

Lakshya Sen Indian badminton player won the silver medal at 2022 All England Open Badminton Championships.

• Lakshya Sen lost in the final to world No. 1 Viktor Axelsen, but he became the first Indian man to earn a silver medal in 21 years at the All-England Open Badminton Championships 2022.
• The All England Badminton Championship runner-up Lakshya Sen has broken into the top 10 of the men's singles badminton world rankings for the first time.
• He climbed two spots to reach 9th in the latest standings released.
• He is now the highest-ranked Indian in the men's singles badminton, above world silver medallist Kidambi Srikanth at 12 & Tokyo Olympian B Sai Praneeth at 19.
CRPF Head Constable Mock Test - 1 - Question 78

Which part of the digestive system helps in the absorption of water and some salts from undigested food materials?

Detailed Solution for CRPF Head Constable Mock Test - 1 - Question 78

The large intestine helps in the absorption of water and some salts from undigested food materials. No significant digestive activity takes place in the large intestine.
The main functions of the large intestine are:

• Absorption of some water, minerals, and certain drugs.
• Secretion of mucus which helps in adhering the waste (undigested).
CRPF Head Constable Mock Test - 1 - Question 79

Boundary Line between India and Afghanistan: