Question
Find the wrong number in the given number series.
- 24, - 43, - 81, - 154, - 309, - 613ÂSolution
ATQ, - 24 X 2 + 5 = - 43 - 43 X 2 + 5 = - 81 - 81 X 2 + 5 = - 157 - 157 X 2 + 5 = - 309 - 309 X 2 + 5 = - 613 Therefore, - 157 should come in place of - 154
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