100+ Number Analogy Questions with Solutions Pdf - 1

Question: 1

In each of the following questions, there is a certain relationship between two given numbers on one side of :: and one number is given on another side of : : while another number is to be found from the given alternative.
68 : 130 : : ? : 350

(A) 210

(B) 216

(C) 222

(D) 240

Ans: C

Clearly, 68 = 43 + 4; 130 = 53 + 5; 350 = 73 + 7.

So, missing number = 63 + 6 = 216 + 6 = 222.

Question: 2

5 : 124 : : 7 : ?

(A) 125

(B) 248

(C) 342

(D) 343

Ans: C

The relationship is x : (x3 - 1).

Question: 3

583 : 293 : : 488 : ?

(A) 291

(B) 378

(C) 487

(D) 581

Ans: B

Sum of digits of the first number is 2 more than the sum of digits of the second number.

Question: 4

42 : 56 : : 72 : ?

(A) 81

(B) 90

(C) 92

(D) 100

Ans: B

Clearly, 42 = 6 × 7; 56 = 7 × 8; 72 = 8 × 9.

So, missing number = 9 × 10 = 90.

Question: 5

9 : 8 : : 16 : ?

(A) 14

(B) 17

(C) 18

(D) 27

Ans: D

The relationship is xy : (x - 1)y+1.

Since 16 = 42, so required number = (4 - 1)2 + 1 = 33 = 27.

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