What will come in place of the question mark (?) in the following number series? 8, 27, 64, 125, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 8, 27, 64, 125, ?

A. 144

B. 256

C. 196

D. 216

Answer: Option D

Solution (By JKSSB Mock Tests)

The series consists of cubes of consecutive integers starting from 2: 2³, 3³, 4³, 5³. The next term is 6³=216.

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? 1, 3, 9, 27, 81, ?

A. 162

B. 405

C. 324

D. 243

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Correct Answer: Option D

Explanation:
Each term is multiplied by 3. Therefore, 81×3=243.

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, 9, 16, 25, 36, ?

A. 49

B. 56

C. 42

D. 44

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Correct Answer: Option A

Explanation:
The series consists of squares of consecutive integers: 2², 3², 4², 5², 6². The next term is 7²=49.

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, 12, 48, 240, ?

A. 1200

B. 960

C. 1440

D. 1080

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Correct Answer: Option C

Explanation:
The pattern is: 2×2=4, 4×3=12, 12×4=48, 48×5=240. The multipliers are increasing by 1. The next multiplier is 6. Therefore, 240×6=1440.

This question belongs to: Reasoning Number Series

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