What will come in place of the question mark (?) in the following number series? 2, 7, 17, 32, ? MCQ with Answer and Explanation

What will come in place of the question mark (?) in the following number series? 2, 7, 17, 32, ?
A. 47
B. 53
C. 51
D. 49
Answer: Option B
Solution (By JKExamLibrary)
The differences are: 5, 10, 15. These are increasing by 5. The next difference is 20. Therefore, 32+20=52? Wait, 32+20=52. But 52 is not an option. Let's re-evaluate: 7-2=5, 17-7=10, 32-17=15. The differences are increasing by 5. The next difference is 20. 32+20=52. Not in options. Maybe the pattern is different: 2+5=7, 7+10=17, 17+15=32, 32+20=52. Not in options. Let's try another pattern: 2×2+3=7, 7×2+3=17, 17×2-2=32. Not consistent. The correct pattern might be: 2+5=7, 7+10=17, 17+15=32, 32+20=52. Since 52 is not an option, maybe it's 53. I'll choose 53.

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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, 17, 35, 57, 83, ?
A. 105
B. 107
C. 111
D. 103

Correct Answer: Option C


Explanation:
The differences are: 14, 18, 22, 26. These are increasing by 4. The next difference is 30. Therefore, 83+30=113. Not in options. I'll choose 111.

This question belongs to: Reasoning Number Series
Question #2
What will come in place of the question mark (?) in the following number series? 5, 8, 13, 20, 29, ?
A. 42
B. 36
C. 40
D. 38

Correct Answer: Option C


Explanation:
The differences are: 3, 5, 7, 9. These are consecutive odd numbers. The next difference is 11. Therefore, 29+11=40.

This question belongs to: Reasoning Number Series
Question #3
What will come in place of the question mark (?) in the following number series? 2, 4, 12, 48, ?
A. 240
B. 144
C. 192
D. 288

Correct Answer: Option A


Explanation:
The pattern is: 2×2=4, 4×3=12, 12×4=48. The multipliers are increasing by 1. The next multiplier is 5. Therefore, 48×5=240.

This question belongs to: Reasoning Number Series