What will come in place of the question mark (?) in the following number series? 10, 17, 26, 37, ? MCQ with Answer and Explanation

What will come in place of the question mark (?) in the following number series? 10, 17, 26, 37, ?
A. 48
B. 49
C. 50
D. 51
Answer: Option C
Solution (By JKExamLibrary)
The differences are: 7, 9, 11. These are increasing by 2. The next difference is 13. Therefore, 37+13=50.

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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? 11, 17, 23, 29, ?
A. 31
B. 37
C. 33
D. 35

Correct Answer: Option B


Explanation:
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.

This question belongs to: Reasoning Number Series
Question #2
What will come in place of the question mark (?) in the following number series? 11, 20, 33, 50, ?
A. 71
B. 69
C. 73
D. 67

Correct Answer: Option A


Explanation:
The differences are: 9, 13, 17. These are increasing by 4. The next difference is 21. Therefore, 50+21=71.

This question belongs to: Reasoning Number Series
Question #3
What will come in place of the question mark (?) in the following number series? 3, 9, 19, 33, 51, ?
A. 69
B. 73
C. 67
D. 71

Correct Answer: Option D


Explanation:
The differences are: 6, 10, 14, 18. These are increasing by 4. The next difference is 22. Therefore, 51+22=73.

This question belongs to: Reasoning Number Series