Question
Find the wrong number in the given number series.
5, 10, 30, 90, 540, 3240Solution
ATQ,
5 × 2 = 10
10 × 3 = 30
30 × 4 = 120
120 × 5 = 600
600 × 6 = 3600
So, 120 should be in place of 90
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