What will come in place of the question mark (?) in the following number series? 2, 6, 14, 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, 14, 30, ?

A. 56

B. 58

C. 46

D. 62

Answer: Option D

Solution (By JKExamLibrary)

Each term is obtained by multiplying by 2 and adding 2. (2×2)+2=6, (6×2)+2=14, (14×2)+2=30. The next term is (30×2)+2=62.

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? 10, 30, 60, 100, 150, ?

A. 220

B. 210

C. 200

D. 180

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Correct Answer: Option B

Explanation:
The differences are: 20, 30, 40, 50. These are increasing by 10. The next difference is 60. Therefore, 150+60=210.

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? 3, 11, 23, 39, 59, ?

A. 83

B. 81

C. 77

D. 79

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Correct Answer: Option A

Explanation:
The differences are: 8, 12, 16, 20. These are increasing by 4. The next difference is 24. Therefore, 59+24=83.

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, 11, 28, 53, ?

A. 84

B. 82

C. 86

D. 88

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Correct Answer: Option C

Explanation:
The differences are: 9, 17, 25. These are increasing by 8. The next difference is 33. Therefore, 53+33=86.

This question belongs to: Reasoning Number Series

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