Number Series Model Questions Set 2 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 1

What should come in place of the question mark (?) in the following number series?

5, 10, 13, 26, 29, 58, ?, 122

a) 61

b) 91

c) 60

d) 111

e) None of these

Answer: (a)

Add 3 after doubling the previous number.

Question : 2

Only one number is wrong in the following number series. Find out the wrong number.

19, 68, 102, 129, 145, 154

a) 129

b) 102

c) 154

d) 145

e) None of these

Answer: (b)

The series is + $(7)^2$, + $(6)^2$, + $(5)^2$, + $(4)^2$, + $(3)^2$

The wrong number is 102.

It should be 68 + $(6)^2$ = 104

Question : 3

What should come in place of the question mark (?) in the following number serie?

3, 7, 13, ?, 31, 43

a) 19

b) 21

c) 18

d) 23

e) None of these

Answer: (b)

The given number series is based on the following pattern:

7 + 6 = 13

13 + 8 = 21

21 + 10 = 31

31 + 12 = 43

Hence, the number 21 will replace the question mark.

Question : 4

What should come in place of the question mark (?) in the following number serie?

12, 33, 96, ?, 852, 2553

a) 288

b) 384

c) 285

d) 250

e) None of these

Answer: (c)

The series is as follows: × 3 – 3

Hence, ? = 96 × 3 – 3 = 285

Question : 5

What should come in place of the question mark (?) in the following number serie?

0, 5, 18, 43, 84, 145, ?

a) 240

b) 280

c) 220

d) 260

e) None of these

Answer: (e)

number series mcq problems competitive exams 24

IMPORTANT quantitative aptitude EXERCISES

Number Series Model Questions Set 2 Online Quiz

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