Number Analogy Questions and Answers

Q-61. Given set
6 : 12 :: 20 : ?
(a) 50
(b) 30
(c) 42
(d) 38

View Answer and Solution 

Answer: (b) 30
Solution:
2x3 = 6; 3x4 = 12 
4x5 = 20; 5x6 = 30

Q-62. Given set:-
5 : 135 :: 7 : ?
(a) 353
(b) 245
(c) 273
(d) 293

View Answer and Solution 

Answer: (a) 353
Solution:
5x5x5+10  = 135
Similarly,
7x7x7+10 = 353

Q-63. Given Set :-
5 : 30 :: 8 : ?
(a) 14
(b) 50
(c) 69
(d) 80

View Answer and Solution 

 Answer:  (c) 69
Solution:  
(5)2+5 = 25+5 =30 
Similarly, 
(8)2+5 = 64+5 = 69

Q-64. Given Set :-
12 : 30 :: 20 : ?
(a) 48
(b) 32
(c) 35
(d) 42

View Answer and Solution 

 Answer:  (d) 42
Solution:  
3x4 = 12 
5x6 = 30 
4x5 = 20 
6x7 = 42

Q-65. Given Set :-
6 : 8 :: 3 : ?
(a) 2
(b) 4
(c) 6
(d) 8

View Answer and Solution 

 Answer:  (b) 4
Solution:  
6+\left( \frac{6}{3} \right)
=6+2 = 8
Similarly,
3+\left( \frac{3}{3} \right)
=3+1 = 4

Q-66. Given Set :-
583: 488 :: 293: ?
(a) 378
(b) 487
(c) 581
(d) 291

View Answer and Solution 

 Answer:  (b) 487
Solution:  
583 => 58-3 = 55 
488 => 48-8 = 40 
Now, 55 - 40 =15 
Similarly,
293 =>  29-3 = 26 
487 =>  48-7 = 41 
Now, 41-26 = 15

Q-67. Given Set :-
25 : 625 :: 35 : ?
(a) 875
(b) 635
(c) 1575
(d) 1205

View Answer and Solution 

 Answer:  (a) 875
Solution:  
25x25 = 625 
Similarly, 
35x25 = 875 

Q-68. Given Set :-
525 : 25 :: 315 : ?
(a) 10
(b) 15
(c) 5
(d) 25

View Answer and Solution 

 Answer:  (b) 15
Solution:  
525/21  = 25
315/21  = 15

Q-69. Given Set :-
25 : 175 :: 32 : ?
(a) 150
(b) 170
(c) 162
(d) 160

View Answer and Solution 

 Answer:  (d) 160
Solution: 
 25 => 25x(2+5) = 175 
Similarly, 
32 => 32x(3+2) = 160 

Q-70. Given Set :-
11 : 1331 :: 9 : ?
(a) 979
(b) 991
(c) 729
(d) 897

View Answer and Solution 

 Answer:  (c) 729
Solution:  
(11)3 = 1331 
Similarly,
(9)3 = 729

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I am Vaibhav Choudhary, Reasoning Teacher by Profession but Blogger by a passion. I would like to share my reasoning knowledge with students those are taking a preparation of government exam or competitive exam.