number analogy Practice Questions Answers Test with Solutions & More Shortcuts

Directions:

In each of the following questions, select the related number from the given alternatives.

Question : 81

7 : 30 : : 17 : ?

a) 210

b) 54

c) 70

d) 18

Answer: (c)

7 × 4 + 2 = 28 + 2 = 30

Similarly,

17 × 4 + 2 = 68 + 2 = 70

Question : 82

17 : 60 :: 20 : ?

a) 81

b) 69

c) 93

d) 57

Answer: (b)

17 × 3 + 9 = 51 + 9 = 60

Similarly, 20 × 3 + 9 = 60 + 9 = 69

Question : 83 [SSC CISF ASI 2010]

30 : 130 : : ? : ?

a) 42 : 222

b) 49 : 350

c) 37 : 210

d) 20 : 120

Answer: (d)

30 ⇒ 1 30

Similarly, from given options

20 ⇒ 1 20

Question : 84 [SSC SAS 2010]

Given set : (7, 12, 22, 37)

a) 4, 8, 19, 34

b) 8, 13, 22, 38

c) 3, 8, 18, 33

d) 2, 7, 12, 32

Answer: (c)

7 + 5 = 12; 12 + 10 = 22;

22 + 15 = 37

Similarly,

3 + 5 = 8; 8 + 10 = 18;

18 + 15 = 33

Question : 85 [SSC CPO SI 2010]

520 : 738 : : ? : 350

a) 230

b) 248

c) 222

d) 220

Answer: (c)

520 = 8 × 8 × 8 + 8 = 512 + 8

738 = 9 × 9 × 9 + 9 = 729 + 9

350 = 7 × 7 × 7 + 7 = 343 +7

∴ ? = 6 × 6 × 6 + 6 = 216 + 6 = 222

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