What will come in place of the question mark (?) in the following number series? 6, 13, 22, 33, 46, ? MCQ with Answer and Explanation

Question
What will come in place of the question mark (?) in the following number series? 6, 13, 22, 33, 46, ?
A. 57
B. 61
C. 63
D. 59
Answer: Option B
Solution (By JKExamLibrary)
The differences are: 7, 9, 11, 13. These are consecutive odd numbers. The next difference is 15. Therefore, 46+15=61.
This question belongs to: Reasoning Number Series
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Question #1
What will come in place of the question mark (?) in the following number series? 1, 5, 13, 29, ?
A. 59
B. 57
C. 61
D. 63
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Correct Answer: Option C

Explanation:
Each term is obtained by multiplying by 2 and adding 3. (1×2)+3=5, (5×2)+3=13, (13×2)+3=29. The next term is (29×2)+3=61.
This question belongs to: Reasoning Number Series
Question #2
What will come in place of the question mark (?) in the following number series? 9, 17, 33, 65, ?
A. 125
B. 121
C. 129
D. 123
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Correct Answer: Option C

Explanation:
Each term is obtained by multiplying by 2 and subtracting 1. (9×2)-1=17, (17×2)-1=33, (33×2)-1=65. The next term is (65×2)-1=129.
This question belongs to: Reasoning Number Series
Question #3
What will come in place of the question mark (?) in the following number series? 3, 17, 35, 57, 83, ?
A. 107
B. 105
C. 103
D. 111
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Correct Answer: Option D

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
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