What will come in place of the question mark (?) in the following number series? 11, 23, 47, 95, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 11, 23, 47, 95, ?

A. 185

B. 191

C. 187

D. 189

Answer: Option B

Solution (By JKExamLibrary)

Each term is obtained by multiplying by 2 and adding 1. (11×2)+1=23, (23×2)+1=47, (47×2)+1=95. The next term is (95×2)+1=191.

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? 8, 13, 21, 34, ?

A. 45

B. 55

C. 49

D. 47

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Correct Answer: Option B

Explanation:
This is a Fibonacci-like series where each term is the sum of the previous two terms. 8+13=21, 13+21=34, 21+34=55.

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? 1, 5, 13, 29, ?

A. 57

B. 59

C. 61

D. 63

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Correct Answer: Option C

Explanation:
Each term is obtained by multiplying by 2 and adding 3. (1×2)+3=5, (5×2)+3=13, (13×2)+3=29. The next term is (29×2)+3=61.

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? 16, 8, 4, 2, ?

A. 1

B. 2

C. 1.5

D. 0.5

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Correct Answer: Option A

Explanation:
Each term is divided by 2. Therefore, 2/2=1.

This question belongs to: Reasoning Number Series

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