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. 30

C. 64

D. 24

Answer: Option A

Solution (By JKSSB Mock Tests)

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? 11, 13, 17, 19, 23, ?

A. 31

B. 27

C. 25

D. 29

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Correct Answer: Option D

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? 3, 10, 21, 36, 55, ?

A. 74

B. 80

C. 78

D. 76

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Correct Answer: Option C

Explanation:
The differences are: 7, 11, 15, 19. These are increasing by 4. The next difference is 23. Therefore, 55+23=78.

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? 6, 10, 16, 24, ?

A. 30

B. 32

C. 34

D. 36

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Correct Answer: Option C

Explanation:
The differences are: 4, 6, 8. These are increasing by 2. The next difference is 10. Therefore, 24+10=34.

This question belongs to: Reasoning Number Series

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