What will come in place of the question mark (?) in the following number series? 6, 13, 22, 33, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 6, 13, 22, 33, ?

A. 42

B. 46

C. 43

D. 44

Answer: Option B

Solution (By JKExamLibrary)

The differences are: 7, 9, 11. These are increasing by 2. The next difference is 13. Therefore, 33+13=46.

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? 9, 18, 36, 72, ?

A. 108

B. 216

C. 144

D. 180

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Correct Answer: Option C

Explanation:
Each term is multiplied by 2. Therefore, 72×2=144.

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? 2, 6, 14, 30, ?

A. 46

B. 58

C. 62

D. 56

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Correct Answer: Option C

Explanation:
Each term is obtained by multiplying by 2 and adding 2. (2×2)+2=6, (6×2)+2=14, (14×2)+2=30. The next term is (30×2)+2=62.

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? 6, 13, 27, 55, ?

A. 112

B. 109

C. 111

D. 110

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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

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