What will come in place of the question mark (?) in the following number series? 2, 11, 28, 53, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 2, 11, 28, 53, ?

A. 88

B. 84

C. 86

D. 82

Answer: Option C

Solution (By JKExamLibrary)

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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Question #1

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What will come in place of the question mark (?) in the following number series? 11, 13, 17, 19, 23, ?

A. 27

B. 25

C. 29

D. 31

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Correct Answer: Option C

Explanation:
The series consists of consecutive prime numbers. The next prime number after 23 is 29.

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, 8, 13, 20, 29, ?

A. 42

B. 36

C. 38

D. 40

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Correct Answer: Option D

Explanation:
The differences are: 3, 5, 7, 9. These are consecutive odd numbers. The next difference is 11. Therefore, 29+11=40.

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, 4, 8, 14, 22, ?

A. 30

B. 36

C. 32

D. 34

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Correct Answer: Option C

Explanation:
The differences are: 2, 4, 6, 8. These are increasing by 2. The next difference is 10. Therefore, 22+10=32.

This question belongs to: Reasoning Number Series

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