What will come in place of the question mark (?) in the following number series? 12, 14, 18, 24, 32, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 12, 14, 18, 24, 32, ?

A. 46

B. 42

C. 40

D. 44

Answer: Option B

Solution (By JKExamLibrary)

The differences are: 2, 4, 6, 8. These are increasing by 2. The next difference is 10. Therefore, 32+10=42.

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, 12, 26, 54, ?

A. 110

B. 108

C. 114

D. 112

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Correct Answer: Option A

Explanation:
Each term is obtained by multiplying by 2 and adding 2. (5×2)+2=12, (12×2)+2=26, (26×2)+2=54. The next term is (54×2)+2=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? 5, 10, 17, 26, 37, ?

A. 50

B. 48

C. 46

D. 52

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Correct Answer: Option A

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 #3

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What will come in place of the question mark (?) in the following number series? 9, 17, 27, 39, 53, ?

A. 69

B. 71

C. 67

D. 65

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Correct Answer: Option A

Explanation:
The differences are: 8, 10, 12, 14. These are increasing by 2. The next difference is 16. Therefore, 53+16=69.

This question belongs to: Reasoning Number Series

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