What will come in place of the question mark (?) in the following number series? 3, 12, 48, 192, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 3, 12, 48, 192, ?

A. 384

B. 768

C. 576

D. 960

Answer: Option B

Solution (By JKSSB Mock Tests)

Each term is multiplied by 4. Therefore, 192×4=768.

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, 10, 100, ?

A. 10000

B. 1000

C. 2000

D. 500

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Correct Answer: Option B

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

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? 20, 25, 35, 50, ?

A. 75

B. 70

C. 65

D. 60

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Correct Answer: Option B

Explanation:
The differences are: 5, 10, 15. These are increasing by 5. The next difference is 20. Therefore, 50+20=70.

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, 10, 20, 40, ?

A. 70

B. 60

C. 80

D. 90

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Correct Answer: Option C

Explanation:
Each term is multiplied by 2. Therefore, 40×2=80.

This question belongs to: Reasoning Number Series

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