What will come in place of the question mark (?) in the following number series? 6, 13, 22, 33, 46, ? 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, 46, ?

A. 63

B. 59

C. 57

D. 61

Answer: Option D

Solution (By JKSSB Mock Tests)

The differences are: 7, 9, 11, 13. These are consecutive odd numbers. The next difference is 15. Therefore, 46+15=61.

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, 5, 12, 27, ?

A. 60

B. 54

C. 58

D. 56

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Correct Answer: Option C

Explanation:
Each term is obtained by multiplying by 2 and adding 1, then 2, then 3? Let's check: (2×2)+1=5, (5×2)+2=12, (12×2)+3=27. The next term is (27×2)+4=58.

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? 3, 8, 15, 24, ?

A. 40

B. 35

C. 33

D. 36

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Correct Answer: Option B

Explanation:
The differences are: 5, 7, 9. The next difference is 11. Therefore, 24+11=35.

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, 3, 6, 11, 18, ?

A. 25

B. 31

C. 27

D. 29

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Correct Answer: Option C

Explanation:
The differences are: 1, 3, 5, 7. These are consecutive odd numbers. The next difference is 9. Therefore, 18+9=27.

This question belongs to: Reasoning Number Series

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