What will come in place of the question mark (?) in the following number series? 14, 27, 42, 59, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 14, 27, 42, 59, ?

A. 82

B. 80

C. 76

D. 78

Answer: Option D

Solution (By JKSSB Mock Tests)

The differences are: 13, 15, 17. These are increasing by 2. The next difference is 19. Therefore, 59+19=78.

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? 3, 13, 27, 45, 67, ?

A. 87

B. 89

C. 93

D. 85

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Correct Answer: Option C

Explanation:
The differences are: 10, 14, 18, 22. These are increasing by 4. The next difference is 26. Therefore, 67+26=93.

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? 4, 16, 36, 64, ?

A. 144

B. 81

C. 121

D. 100

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Correct Answer: Option D

Explanation:
The series consists of squares of even numbers: 2², 4², 6², 8². The next term is 10²=100.

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? 10, 24, 42, 64, 90, ?

A. 112

B. 116

C. 110

D. 120

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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, 90+30=120.

This question belongs to: Reasoning Number Series

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