What will come in place of the question mark (?) in the following number series? 5, 8, 12, 17, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 5, 8, 12, 17, ?

A. 24

B. 21

C. 22

D. 23

Answer: Option D

Solution (By JKSSB Mock Tests)

The differences are: 3, 4, 5. The next difference is 6. Therefore, 17+6=23.

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? 7, 10, 15, 22, ?

A. 35

B. 31

C. 29

D. 33

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Correct Answer: Option B

Explanation:
The differences are: 3, 5, 7. These are consecutive odd numbers. The next difference is 9. Therefore, 22+9=31.

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? 8, 16, 24, 32, ?

A. 38

B. 42

C. 36

D. 40

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Correct Answer: Option D

Explanation:
The series increases by 8 each time. Therefore, 32+8=40.

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, 22, 33, ?

A. 46

B. 43

C. 42

D. 44

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Correct Answer: Option A

Explanation:
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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