What will come in place of the question mark (?) in the following number series? 3, 6, 11, 18, 27, ? MCQ with Answer and Explanation

What will come in place of the question mark (?) in the following number series? 3, 6, 11, 18, 27, ?
A. 29
B. 35
C. 38
D. 36
Answer: Option C
Solution (By JKExamLibrary)
The differences between consecutive terms are: 3, 5, 7, 9. These are consecutive odd numbers. The next difference should be 11. Therefore, the next term is 27+11=38.[reference:5]

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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? 1, 9, 25, 49, ?, 121
A. 72
B. 64
C. 100
D. 81

Correct Answer: Option D


Explanation:
The series consists of squares of odd numbers: 1², 3², 5², 7², 9², 11². The missing term is 9²=81.[reference:18]

This question belongs to: Reasoning Number Series
Question #2
What will come in place of the question mark (?) in the following number series? 5, 9, 14, 20, 27, ?
A. 34
B. 35
C. 36
D. 33

Correct Answer: Option B


Explanation:
The differences are: 4, 5, 6, 7. The next difference is 8. Therefore, 27+8=35.

This question belongs to: Reasoning Number Series
Question #3
What will come in place of the question mark (?) in the following number series? 7, 16, 29, 46, ?
A. 67
B. 65
C. 69
D. 63

Correct Answer: Option A


Explanation:
The differences are: 9, 13, 17. These are increasing by 4. The next difference is 21. Therefore, 46+21=67.

This question belongs to: Reasoning Number Series