Find the wrong number in the series 7, 28, 63, 124, 215, 342, 511
Find the wrong number in the series 7, 28, 63, 124, 215, 342, 511 Correct Answer 28
Here the number follows the given rule
23-1, 33-1, 43-1, 53-1, ...
But 28 has been given in problem series.
so 28 is wrong number.
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Feb 20, 2025