What will come in place of the question mark (?) in the following number series? 6, 18, 54, 162, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 6, 18, 54, 162, ?

A. 324

B. 486

C. 648

D. 810

Answer: Option B

Solution (By JKSSB Mock Tests)

Each term is multiplied by 3. Therefore, 162×3=486.

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? 6, 9, 13, 18, ?

A. 22

B. 24

C. 23

D. 25

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Correct Answer: Option B

Explanation:
The differences are: 3, 4, 5. The next difference is 6. Therefore, 18+6=24.

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? 2, 8, 32, 128, ?

A. 384

B. 640

C. 256

D. 512

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Correct Answer: Option D

Explanation:
Each term is multiplied by 4. Therefore, 128×4=512.

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, 13, 22, 33, 46, ?

A. 61

B. 57

C. 63

D. 59

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Correct Answer: Option A

Explanation:
The differences are: 7, 9, 11, 13. These are consecutive odd numbers. The next difference is 15. Therefore, 46+15=61.

This question belongs to: Reasoning Number Series

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