What will come in place of the question mark (?) in the following number series? 2, 4, 8, 16, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 2, 4, 8, 16, ?

A. 32

B. 24

C. 64

D. 30

Answer: Option A

Solution (By JKExamLibrary)

Each term is multiplied by 2 to get the next term. Therefore, the next term is 16×2=32.

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? 3, 13, 27, 45, 67, ?

A. 93

B. 85

C. 87

D. 89

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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, 67+26=93.

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, 14, 22, 32, ?

A. 42

B. 46

C. 44

D. 40

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Correct Answer: Option C

Explanation:
The differences are: 2, 4, 6, 8, 10. These are increasing by 2. The next difference is 12. Therefore, 32+12=44.

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? 8, 18, 32, 50, ?

A. 68

B. 72

C. 74

D. 70

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Correct Answer: Option B

Explanation:
The pattern is: 2×2²=8, 2×3²=18, 2×4²=32, 2×5²=50. The next term is 2×6²=72.

This question belongs to: Reasoning Number Series

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