What will come in place of the question mark (?) in the following number series? 2, 6, 12, 20, 30, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 2, 6, 12, 20, 30, ?

A. 44

B. 46

C. 42

D. 40

Answer: Option C

Solution (By JKExamLibrary)

The differences are: 4, 6, 8, 10. These are increasing by 2. The next difference is 12. Therefore, 30+12=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? 2, 16, 34, 56, 82, ?

A. 102

B. 110

C. 104

D. 106

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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? 2, 4, 8, 16, 32, ?

A. 56

B. 72

C. 48

D. 64

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Correct Answer: Option D

Explanation:
Each term is multiplied by 2. Therefore, 32×2=64.

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? 5, 15, 29, 47, 69, ?

A. 95

B. 87

C. 89

D. 91

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Correct Answer: Option A

Explanation:
The differences are: 10, 14, 18, 22. These are increasing by 4. The next difference is 26. Therefore, 69+26=95.

This question belongs to: Reasoning Number Series

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