What will come in place of the question mark (?) in the following number series? 4, 7, 12, 19, 28, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 4, 7, 12, 19, 28, ?

A. 37

B. 41

C. 35

D. 39

Answer: Option D

Solution (By JKSSB Mock Tests)

The differences are: 3, 5, 7, 9. These are consecutive odd numbers. The next difference is 11. Therefore, 28+11=39.

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, 4, 8, 14, 22, ?

A. 32

B. 34

C. 30

D. 36

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Correct Answer: Option A

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

Question #2

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What will come in place of the question mark (?) in the following number series? 4, 6, 9, 13, ?

A. 16

B. 17

C. 18

D. 19

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Correct Answer: Option C

Explanation:
The differences are: 2, 3, 4. The next difference is 5. Therefore, 13+5=18.

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, 16, 32, ?

A. 48

B. 72

C. 56

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

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