Question
20.5, 30, 40.5, 53, 64.5,
78Â Find the wrong number in the given number series.Solution
ATQ, 20.5 + 9.5 = 30 30 + 10.5 = 40.5 40.5 + 11.5 = 52 52 + 12.5 = 64.5 64.5 + 13.5 = 78 Therefore, 52 should come in place of 53.
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