What will come in place of the question mark (?) in the following number series? 11, 17, 23, 29, ? MCQ with Answer and Explanation

What will come in place of the question mark (?) in the following number series? 11, 17, 23, 29, ?
A. 31
B. 37
C. 33
D. 35
Answer: Option B
Solution (By JKExamLibrary)
The series consists of consecutive prime numbers. The next prime number after 29 is 31? Wait, 31 is prime. But 37 is also prime. Let's check: 11, 17, 23, 29 are primes. The next prime after 29 is 31. So the answer is 31.

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Practice More Number Series Questions

Question #1
What will come in place of the question mark (?) in the following number series? 3, 13, 27, 45, 67, ?
A. 85
B. 93
C. 89
D. 87

Correct Answer: Option B


Explanation:
The differences are: 10, 14, 18, 22. These are increasing by 4. The next difference is 26. Therefore, 67+26=93.

This question belongs to: Reasoning Number Series
Question #2
What will come in place of the question mark (?) in the following number series? 2, 12, 26, 44, 66, ?
A. 88
B. 92
C. 86
D. 84

Correct Answer: Option B


Explanation:
The differences are: 10, 14, 18, 22. These are increasing by 4. The next difference is 26. Therefore, 66+26=92.

This question belongs to: Reasoning Number Series
Question #3
What will come in place of the question mark (?) in the following number series? 2, 6, 18, 54, ?
A. 324
B. 216
C. 162
D. 108

Correct Answer: Option C


Explanation:
Each term is multiplied by 3 to get the next term. Therefore, 54×3=162.[reference:10]

This question belongs to: Reasoning Number Series