Question
Find the wrong number in the given number series.
3, 15, 18, 54, 56, 51Solution
ATQ,
The pattern is:
3 × 5 = 15
15 + 3 = 18
18 × 3 = 54
54 + 2 = 56
56 × 1 = 56
Therefore, 56 should be in place of 51.
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