Question
1, 4, 20, 126, 1026,
10170 Find the wrong number in the given number series.Solution
ATQ,
1 × 2 + 2 = 4 4 × 4 + 4 = 20 20 × 6 + 6 = 126 126 × 8 + 8 = 1016 1016 × 10 + 10 = 10170 Therefore, 1016 should come in place of 1026.
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