Number Analogy for SSC CHSL Examination

1.  6 : 18 : : 4 : ?

 Option :

A. 2

B. 6

C. 8

D. 16

 View Answer

Option C

2

21 : 3 : : 574 : ?

 Option :

A. 23

B. 82

C. 97

D. 113

 View Answer

Option B

3

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1 : 1 : : 25 : ?

 Option :

A. 26

B. 125

C. 240

D. 625

 View Answer

Option D

4

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121 : 12 : : 25 : ?

 Option :

A. 1

B. 2

C. 6

D. 7

 View Answer

Option C

5

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42 : 20 : : 64 : ?

 Option :

A. 31

B. 32

C. 33

D. 34

 View Answer

Option A

Number Analogy : Postal/ Sorting assistant Examination 2015

Number Analogy for Postal Assistant / Sorting Assistant Examination 2015

Number analogy section deals with two types of questions:
I. Choosing a similarly related pair as the given number pair on the basis of the relation between the numbers in each pair.
II. Choosing a number similar to a group of numbers on the basis of certain common properties that they possess.

1. 583 : 293 : : 488 : ?
A. 291
B. 378
C. 487
D. 581

Answer: B . 378 
Justification: Sum of digits of the first number is 2 more than the sum of digits of the second number.

2.7 : 56 : : 9 : ?
A. 63
B. 81
C. 90
D. 99

Answer: C . 90 
Justification: The relationship is x : x(x + 1).

3. 9 : 8 : : 16 : ?
A. 27
B. 18
C. 17
D. 14

Answer: A . 27 
Justification:
The relationship is x^ : (x -1)^+1.
Now, 16 = 42.
So, required number \ (4 – 1)2+1= 33 = 27.

4. 8 : 81 : : 64 : ?
A. 125
B. 137
C. 525
D. 625

Answer: D . 625 
Justification:
The relationship is x^ : (x + 1)(^+1).
Now, 64 = 43
So, required number \ (4 + 1)(3+1) = 53 = 625.

5. 17 : 52 : : 1 : ?
A. 3
B. 4
C. 5
D. 51

Answer: B . 4 
Justification: The relationship is x : (3x + 1).

6. 20 : 11 : : 102 : ?
A. 49
B. 52
C. 61
D. 98

Answer: B . 52
Justification: The relationship is 2x : (x + 1).

7. 9 : 80 : : 100 : ?
A. 901
B. 1009
C. 9889
D. 9999

Answer: D . 9999 
Justification: The relationship is x : (x2 - 1).

8. 12  :  144
A. 22 : 464
B. 20 : 400
C. 15 : 135
D. 10 : 140

Answer: B . 20 : 400 
Justification:The relationship is x : x2.

9. 27 : 9
A. 64 : 8
B. 125 : 5
C. 135 : 15
D. 729 : 81

Answer: D . 729 : 81
 Justification:The relationship is x3 : x2.

10. 5 : 35
A. 7 : 77
B. 9 : 45
C. 11 : 55
D. 3 : 24

Answer: A . 7 : 77 
Justification:The first number is multiplied by the next prime number to obtain the second number.

General Intelligence : Number Analogy for PA/SA Examination 2015

Number analogy section deals with two types of questions:
I. Choosing a similarly related pair as the given number pair on the basis of the relation between the numbers in each pair.
II. Choosing a number similar to a group of numbers on the basis of certain common properties that they possess.

1. 6 : 18 : : 4 : ?
A. 2
B. 6
C. 8
D. 16

Answer : C.8
Justification: The relationship is x : x2/2.

2. 21 : 3 : : 574 : ?
A. 23
B. 82
C. 97
D. 113

Answer: B . 82
Justification: The relationship is 7x : x.

3. 1 : 1 : : 25 : ?
A. 26
B. 125
C. 240
D. 625

Answer: D . 625
Justification: The relationship is x : x2.

4. 121 : 12 : : 25 : ?
A. 1
B. 2
C. 6
D. 7

Answer: C . 6
Justification: The relationship is x2 : (x + 1).

5. 42 : 20 : : 64 : ?
A. 31
B. 32
C. 33
D. 34

 Answer: A . 31
 Justification: The relationship (2x + 2) : x.

6. 7528 : 5306 : : 4673 : ?
A. 2367
B. 2451
C. 2531
D. None of these

Answer: B . 2451
Justification:The relationship is x : (x - 2222).

7. 25 : 37 : : 49 : ?
A. 41
B. 56
C. 60
D. 65

Answer: D . 65
Justification:The relationship is x2 : (x + 1)2 + 1.

8. 25 : 125 : : 36 : ?
A. 180
B. 206
C. 216
D. 318

Answer: C . 216
Justification: The relationship is x2 : x3.

9. 14 : 9 : : 26 : ?
A. 12
B. 13
C. 15
D. 31

Answer: C . 15
Justification: The relationship is (2x - 4) : x.

10. 8 : 28 : : 27 : ?
A. 8
B. 28
C. 64
D. 65

Answer: D . 65
Justification: The relationship is x3 : (x + 1)3 + 1.