Question
Find the wrong number in the given number series.
2, 5, 11, 23, 47, 97Solution
Pattern: each term = (previous term Γ 2) + 1 2 β 2Γ2+1 = 5 5 β 5Γ2+1 = 11 11 β 11Γ2+1 = 23 23 β 23Γ2+1 = 47 47 β 47Γ2+1 = 95 So last term should be 95, not 97. Wrong term = 97
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