What will come in place of the question mark (?) in the following number series? 6, 9, 13, 18, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 6, 9, 13, 18, ?

A. 24

B. 25

C. 22

D. 23

Answer: Option A

Solution (By JKSSB Mock Tests)

The differences are: 3, 4, 5. The next difference is 6. Therefore, 18+6=24.

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, 9, 14, 20, ?

A. 27

B. 26

C. 25

D. 28

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Correct Answer: Option A

Explanation:
The differences are: 3, 4, 5, 6. The next difference is 7. Therefore, 20+7=27.

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? 48, 24, 12, 6, ?

A. 4

B. 1

C. 2

D. 3

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Correct Answer: Option D

Explanation:
Each term is divided by 2. Therefore, 6/2=3.

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, 5, 10, 17, 26, ?

A. 36

B. 38

C. 35

D. 37

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Correct Answer: Option D

Explanation:
The pattern is: 1²+1=2, 2²+1=5, 3²+1=10, 4²+1=17, 5²+1=26. The next term is 6²+1=37.

This question belongs to: Reasoning Number Series

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