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What should come in place of question mark ’?’ in the following number series? 41, 43, 55, 85, ?

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

41, 43, 55, 85, ?
1). 162
2). 121
3). 414
4). 91


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Answered by on | Votes 1 |

The pattern of the given series:

⇒ 41 + (22 - 2) = 41 + (4 - 2) = 41 + 2 = 43

⇒ 43 + (42 - 4) = 43 + (16 - 4) = 43 + 12 = 55

⇒ 55 + (62 - 6) = 55 + (36 - 6) = 55 + 30 = 85

⇒ 85 + (82 - 8) = 85 + (64 - 8) = 85 + 56 = 141 = ?

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