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What should come in place of question mark ‘?’ in the following number series? 27, 38, 51, 68, 87, ?

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What should come in place of question mark ‘?’ in the following number series?

27, 38, 51, 68, 87, ?


1. 100
2. 120
3. 115
4. 110
5. None of these
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Correct Answer - Option 4 : 110

Given:

27, 38, 49, 60, 71, ?

Calculation:

The series follows the following pattern

27 + 11 = 38

38 + 13 = 51

51 + 17 = 68

68 + 19 = 87

87 + 23 = 110

∴ The Required term in the series will be 110

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