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. 960

B. 576

C. 384

D. 768

Answer: Option D

Solution (By JKExamLibrary)

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? 2, 5, 12, 27, ?

A. 54

B. 56

C. 58

D. 60

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Correct Answer: Option C

Explanation:
Each term is obtained by multiplying by 2 and adding 1, then 2, then 3? Let's check: (2×2)+1=5, (5×2)+2=12, (12×2)+3=27. The next term is (27×2)+4=58.

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, 12, 21, 32, ?

A. 47

B. 41

C. 43

D. 45

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Correct Answer: Option D

Explanation:
The differences are: 7, 9, 11. These are increasing by 2. The next difference is 13. Therefore, 32+13=45.

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? 3, 7, 13, 21, 31, ?

A. 43

B. 41

C. 39

D. 45

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Correct Answer: Option A

Explanation:
The differences are: 4, 6, 8, 10. These are increasing by 2. The next difference is 12. Therefore, 31+12=43.

This question belongs to: Reasoning Number Series

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