What will come in place of the question mark (?) in the following number series? 7, 8, 10, 13, 17, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 7, 8, 10, 13, 17, ?

A. 22

B. 20

C. 21

D. 23

Answer: Option A

Solution (By JKExamLibrary)

The differences are: 1, 2, 3, 4. The next difference is 5. Therefore, 17+5=22.

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? 8, 14, 22, 32, 44, ?

A. 58

B. 54

C. 60

D. 56

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Correct Answer: Option A

Explanation:
The differences are: 6, 8, 10, 12. These are increasing by 2. The next difference is 14. Therefore, 44+14=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? 5, 13, 25, 41, 61, ?

A. 81

B. 83

C. 85

D. 87

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Correct Answer: Option C

Explanation:
The differences are: 8, 12, 16, 20. These are increasing by 4. The next difference is 24. Therefore, 61+24=85.

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, 4, 8, 14, 22, ?

A. 34

B. 30

C. 36

D. 32

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Correct Answer: Option D

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

This question belongs to: Reasoning Number Series

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