What will come in place of the question mark (?) in the following number series? 3, 17, 35, 57, 83, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 3, 17, 35, 57, 83, ?

A. 103

B. 107

C. 111

D. 105

Answer: Option C

Solution (By JKExamLibrary)

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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Question #1

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What will come in place of the question mark (?) in the following number series? 50, 49, 47, 44, ?

A. 41

B. 40

C. 42

D. 43

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Correct Answer: Option B

Explanation:
The differences are: -1, -2, -3. The next difference is -4. Therefore, 44-4=40.

This question belongs to: Reasoning Number Series

Question #2

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What will come in place of the question mark (?) in the following number series? 7, 19, 35, 55, 79, ?

A. 107

B. 99

C. 101

D. 103

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Correct Answer: Option A

Explanation:
The differences are: 12, 16, 20, 24. These are increasing by 4. The next difference is 28. Therefore, 79+28=107.

This question belongs to: Reasoning Number Series

Question #3

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What will come in place of the question mark (?) in the following number series? 2, 9, 28, 65, 126, ?

A. 215

B. 221

C. 217

D. 219

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Correct Answer: Option C

Explanation:
The pattern is: 1³+1=2, 2³+1=9, 3³+1=28, 4³+1=65, 5³+1=126. The next term is 6³+1=217.

This question belongs to: Reasoning Number Series

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