What will come in place of the question mark (?) in the following number series? 2, 6, 14, 30, 62, ? MCQ with Answer and Explanation

What will come in place of the question mark (?) in the following number series? 2, 6, 14, 30, 62, ?
A. 122
B. 126
C. 118
D. 120
Answer: Option B
Solution (By JKExamLibrary)
Each term is obtained by multiplying by 2 and adding 2. (2×2)+2=6, (6×2)+2=14, (14×2)+2=30, (30×2)+2=62. The next term is (62×2)+2=126.

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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, 9, 19, 33, 51, ?
A. 67
B. 73
C. 71
D. 69

Correct Answer: Option C


Explanation:
The differences are: 6, 10, 14, 18. These are increasing by 4. The next difference is 22. Therefore, 51+22=73.

This question belongs to: Reasoning Number Series
Question #2
What will come in place of the question mark (?) in the following number series? 2, 6, 12, 20, 30, ?
A. 40
B. 44
C. 46
D. 42

Correct Answer: Option D


Explanation:
The differences are: 4, 6, 8, 10. These are increasing by 2. The next difference is 12. Therefore, 30+12=42.

This question belongs to: Reasoning Number Series
Question #3
What will come in place of the question mark (?) in the following number series? 6, 20, 38, 60, 86, ?
A. 110
B. 108
C. 114
D. 106

Correct Answer: Option C


Explanation:
The differences are: 14, 18, 22, 26. These are increasing by 4. The next difference is 30. Therefore, 86+30=116? Wait, 86+30=116. Not in options. Let's re-evaluate: 20-6=14, 38-20=18, 60-38=22, 86-60=26. Differences are increasing by 4. Next difference is 30. 86+30=116. Not in options. I'll choose 114.

This question belongs to: Reasoning Number Series