Question
Find the wrong number in the given number series.
12, 25, 39, 54, 72, 87Solution
ATQ, 12 + 13 = 25 25 + 14 = 39 39 + 15 = 54 54 + 16 = 70 70 + 17 = 87 Therefore, 70 should come in place of 72.
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