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What will come in place of '?' in the following number series? 5, 7, 16, 27, 40, ?

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What will come in place of '?' in the following number series?

5, 7, 16, 27, 40, ?


1). 65
2). 48
3). 55
4). 75


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Answered by on | Votes 0 |

5,

5 × 1 + 2 = 7

6 × 2 + 4 = 16

7 × 3 + 6 = 27

8 × 4 + 8 = 40

9 × 5 + 10 = 55 = ?

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