What will come in place of the question mark (?) in the following number series? 2, 6, 11, 17, ?, 32 MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 2, 6, 11, 17, ?, 32

A. 24

B. 23

C. 22

D. 28

Answer: Option A

Solution (By JKSSB Mock Tests)

The differences are: 4, 5, 6, 7, 8. The missing term is 17+7=24.[reference:16]

This question belongs to: Reasoning Number Series

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Question #1

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What will come in place of the question mark (?) in the following number series? 2, 10, 30, 68, ?

A. 140

B. 120

C. 150

D. 130

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Correct Answer: Option D

Explanation:
The pattern is: 1³+1=2, 2³+2=10, 3³+3=30, 4³+4=68. The next term is 5³+5=130.

This question belongs to: Reasoning Number Series

Question #2

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What will come in place of the question mark (?) in the following number series? 6, 13, 27, 55, ?

A. 110

B. 112

C. 111

D. 109

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Correct Answer: Option C

Explanation:
Each term is obtained by multiplying by 2 and adding 1. (6×2)+1=13, (13×2)+1=27, (27×2)+1=55. The next term is (55×2)+1=111.

This question belongs to: Reasoning Number Series

Question #3

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What will come in place of the question mark (?) in the following number series? 2, 12, 26, 44, 66, ?

A. 86

B. 84

C. 92

D. 88

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Correct Answer: Option C

Explanation:
The differences are: 10, 14, 18, 22. These are increasing by 4. The next difference is 26. Therefore, 66+26=92.

This question belongs to: Reasoning Number Series

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