What will come in place of the question mark (?) in the following number series? 1, 10, 100, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 1, 10, 100, ?

A. 500

B. 10000

C. 1000

D. 2000

Answer: Option C

Solution (By JKExamLibrary)

Each term is multiplied by 10. Therefore, 100×10=1000.

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? 48, 24, 12, 6, ?

A. 2

B. 1

C. 3

D. 4

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Correct Answer: Option C

Explanation:
Each term is divided by 2. Therefore, 6/2=3.

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, 5, 10, 17, ?

A. 24

B. 25

C. 26

D. 28

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Correct Answer: Option C

Explanation:
The differences are: 3, 5, 7 (consecutive odd numbers). The next difference should be 9. Therefore, 17+9=26.

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? 5, 15, 45, 135, ?

A. 540

B. 360

C. 405

D. 270

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Correct Answer: Option C

Explanation:
Each term is multiplied by 3. Therefore, 135×3=405.

This question belongs to: Reasoning Number Series

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