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Q.

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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