Question
Find the wrong number in the given number series.
7, 16, 34, 70, 144, 290Solution
ATQ,
7 × 2 + 2 = 16
16 × 2 + 2 = 34
34 × 2 + 2 = 70
70 × 2 + 2 = 142
142 × 2 + 2 = 286
So, 142 should come in place of 144
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