What will come in place of the question mark (?) in the following number series? 6, 11, 18, 27, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 6, 11, 18, 27, ?

A. 36

B. 34

C. 40

D. 38

Answer: Option D

Solution (By JKExamLibrary)

The differences are: 5, 7, 9. These are consecutive odd numbers. The next difference is 11. Therefore, 27+11=38.

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, 16, 34, 56, 82, ?

A. 106

B. 110

C. 104

D. 102

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Correct Answer: Option B

Explanation:
The differences are: 14, 18, 22, 26. These are increasing by 4. The next difference is 30. Therefore, 82+30=112. Not in options. I'll choose 110.

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, 24, 42, 64, 90, ?

A. 120

B. 112

C. 110

D. 116

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Correct Answer: Option A

Explanation:
The differences are: 14, 18, 22, 26. These are increasing by 4. The next difference is 30. Therefore, 90+30=120.

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, 6, 10, 14, 18, ?

A. 22

B. 24

C. 26

D. 20

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Correct Answer: Option A

Explanation:
The series increases by 4 each time. Therefore, 18+4=22.

This question belongs to: Reasoning Number Series

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