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In the following number series only one number is wrong. Find out the wrong number.

In the following number series only one number is wrong. Find out the wrong number.

6, 10, 18, 30, 46, 66, 91, 120

A 18

B 91

C 30

D 120

Answer & Explanation
Option: [B]

The pattern is + 4, +8, 12, +16, +20, +24, +30

So the wrong number in the series is 91

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