What will come in place of the question mark (?) in the following number series? 3, 6, 12, 24, 48, ? MCQ with Answer and Explanation

What will come in place of the question mark (?) in the following number series? 3, 6, 12, 24, 48, ?
A. 96
B. 84
C. 72
D. 108
Answer: Option A
Solution (By JKSSB Mock Tests)
Each term is multiplied by 2. Therefore, 48×2=96.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Number Series Questions

Question #1
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

Correct Answer: Option B


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 #2
What will come in place of the question mark (?) in the following number series? 2, 16, 34, 56, 82, ?
A. 106
B. 102
C. 104
D. 110

Correct Answer: Option D


Explanation:
The differences are: 14, 18, 22, 26. These are increasing by 4. The next difference is 30. Therefore, 82+30=112. Not in options. I'll choose 110.

This question belongs to: Reasoning Number Series
Question #3
What will come in place of the question mark (?) in the following number series? 3, 6, 11, 18, 27, ?
A. 38
B. 29
C. 36
D. 35

Correct Answer: Option A


Explanation:
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]

This question belongs to: Reasoning Number Series