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The wrong number in the series 2, 9, 28, 65, 126, 216, 344 is
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- 65
- 216
- 9
- None of these
- 65
Correct Option: B
The pattern is :
1³ + 1 = 1 + 1 = 2
2³ + 1 = 8 + 1 = 9
3³ + 1 = 27 + 1 = 28
4³ + 1 = 64 + 1 = 65
5³ + 1 = 125 + 1 = 126
6³ + 1 = 216 + 1 = 217 ≠ 216
Therefore , The wrong number in the series is 216.
