What will come in place of the question mark (?) in the following number series? 12, 18, 26, 36, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 12, 18, 26, 36, ?

A. 46

B. 44

C. 48

D. 50

Answer: Option C

Solution (By JKSSB Mock Tests)

The differences are: 6, 8, 10. These are increasing by 2. The next difference is 12. Therefore, 36+12=48.

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, 6, 10, 14, 18, ?

A. 20

B. 22

C. 26

D. 24

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Correct Answer: Option B

Explanation:
The series increases by 4 each time. Therefore, 18+4=22.

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, 12, 17, ?

A. 22

B. 23

C. 24

D. 21

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Correct Answer: Option B

Explanation:
The differences are: 3, 4, 5. The next difference is 6. Therefore, 17+6=23.

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, 6, 14, 30, ?

A. 56

B. 62

C. 58

D. 46

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Correct Answer: Option B

Explanation:
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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