What will come in place of the question mark (?) in the following number series? 6, 13, 22, 33, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 6, 13, 22, 33, ?

A. 46

B. 44

C. 42

D. 43

Answer: Option A

Solution (By JKSSB Mock Tests)

The differences are: 7, 9, 11. These are increasing by 2. The next difference is 13. Therefore, 33+13=46.

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? 41, 43, 47, 53, 59, ?

A. 64

B. 61

C. 67

D. 65

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Correct Answer: Option B

Explanation:
The series consists of consecutive prime numbers. The prime number immediately following 59 is 61.[reference:4]

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, 10, 30, 68, 130, ?

A. 222

B. 200

C. 210

D. 220

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Correct Answer: Option A

Explanation:
The pattern is: 1³+1=2, 2³+2=10, 3³+3=30, 4³+4=68, 5³+5=130. The next term is 6³+6=222.

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? 6, 12, 20, 30, 42, ?

A. 52

B. 58

C. 56

D. 54

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Correct Answer: Option C

Explanation:
The pattern is: 1×2+4=6? Let's find differences: 6, 8, 10, 12. These are consecutive even numbers. The next difference is 14. Therefore, 42+14=56.

This question belongs to: Reasoning Number Series

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