Q.

Find out the wrong number from the following number series ?

6, 10, 14, 34, 66, 130, 258

A 14
B 64
C 130
D 258
Answer & Explanation
Option: [A]

The wrong number from the given series is 14. It is replaced by 18

6 x 2 - 2 = 10

10 x 2 - 2 = 18

18 x 2 - 2 = 34

and so on...

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