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Find the wrong term in the following series. 16, 33, 65, 131, 261, 524

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Find the wrong term in the following series.

16, 33, 65, 131, 261, 524


1). 33
2). 65
3). 261
4). 524


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1 answers

1 vote
Answered by on | Votes 1 |

The series is

16 × 2 + 1 = 33

33 × 2 – 1 = 65

65 × 2 + 1 = 131

131 × 2 – 1 = 261

261 × 2 + 1 = 523

Hence, 524 is the wrong number in the series.$

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