What will come in place of the question mark (?) in the following number series? 3, 13, 27, 45, 67, ? MCQ with Answer and Explanation

What will come in place of the question mark (?) in the following number series? 3, 13, 27, 45, 67, ?
A. 93
B. 87
C. 85
D. 89
Answer: Option A
Solution (By JKSSB Mock Tests)
The differences are: 10, 14, 18, 22. These are increasing by 4. The next difference is 26. Therefore, 67+26=93.

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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? 2, 5, 10, 17, ?
A. 28
B. 26
C. 24
D. 25

Correct Answer: Option B


Explanation:
The differences are: 3, 5, 7 (consecutive odd numbers). The next difference should be 9. Therefore, 17+9=26.

This question belongs to: Reasoning Number Series
Question #2
What will come in place of the question mark (?) in the following number series? 2, 7, 17, 32, ?
A. 49
B. 47
C. 51
D. 53

Correct Answer: Option D


Explanation:
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.

This question belongs to: Reasoning Number Series
Question #3
What will come in place of the question mark (?) in the following number series? 1, 10, 100, ?
A. 500
B. 2000
C. 10000
D. 1000

Correct Answer: Option D


Explanation:
Each term is multiplied by 10. Therefore, 100×10=1000.

This question belongs to: Reasoning Number Series