What will come in place of the question mark (?) in the following number series? 8, 16, 24, 32, ? MCQ with Answer and Explanation

What will come in place of the question mark (?) in the following number series? 8, 16, 24, 32, ?
A. 36
B. 42
C. 38
D. 40
Answer: Option D
Solution (By JKExamLibrary)
The series increases by 8 each time. Therefore, 32+8=40.

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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? 8, 13, 21, 34, ?
A. 45
B. 49
C. 55
D. 47

Correct Answer: Option C


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
What will come in place of the question mark (?) in the following number series? 3, 11, 27, 59, ?
A. 121
B. 125
C. 127
D. 123

Correct Answer: Option D


Explanation:
Each term is obtained by multiplying by 2 and adding 5. (3×2)+5=11, (11×2)+5=27, (27×2)+5=59. The next term is (59×2)+5=123.

This question belongs to: Reasoning Number Series
Question #3
What will come in place of the question mark (?) in the following number series? 11, 22, 55, 165, ?
A. 325.5
B. 333.5
C. 577.5
D. 495.5

Correct Answer: Option C


Explanation:
The pattern is: 11×2=22, 22×2.5=55, 55×3=165. The multiplier increases by 0.5 each time. The next multiplier is 3.5. Therefore, 165×3.5=577.5.[reference:11]

This question belongs to: Reasoning Number Series