What will come in place of the question mark (?) in the following number series? 2, 3, 6, 11, 18, ? MCQ with Answer and Explanation

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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. 27

C. 29

D. 31

Answer: Option B

Solution (By JKExamLibrary)

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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Question #1

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What will come in place of the question mark (?) in the following number series? 5, 10, 17, 26, 37, ?

A. 52

B. 48

C. 50

D. 46

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Correct Answer: Option C

Explanation:
The differences are: 5, 7, 9, 11. These are consecutive odd numbers. The next difference is 13. Therefore, 37+13=50.

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? 10, 30, 90, 270, ?

A. 720

B. 960

C. 540

D. 810

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Correct Answer: Option D

Explanation:
Each term is multiplied by 3. Therefore, 270×3=810.

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, 9, 13, 18, ?

A. 23

B. 22

C. 24

D. 25

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Correct Answer: Option C

Explanation:
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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