What will come in place of the question mark (?) in the following number series? 2, 6, 14, 30, ? 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, 14, 30, ?

A. 62

B. 58

C. 56

D. 46

Answer: Option A

Solution (By JKSSB Mock Tests)

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

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Question #1

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What will come in place of the question mark (?) in the following number series? 4, 8, 14, 22, ?

A. 30

B. 28

C. 34

D. 32

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Correct Answer: Option D

Explanation:
The differences are: 4, 6, 8. These are increasing by 2. The next difference is 10. Therefore, 22+10=32.

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? 4, 12, 24, 40, ?

A. 64

B. 56

C. 72

D. 60

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Correct Answer: Option D

Explanation:
The differences are: 8, 12, 16. These are increasing by 4. The next difference is 20. Therefore, 40+20=60.

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? 5, 15, 29, 47, 69, ?

A. 89

B. 95

C. 87

D. 91

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Correct Answer: Option B

Explanation:
The differences are: 10, 14, 18, 22. These are increasing by 4. The next difference is 26. Therefore, 69+26=95.

This question belongs to: Reasoning Number Series

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