In which of the following years was the Child Marriage

Find the wrong number, in the given number series,

4, 10, 20, 40, 100, 250, 500

9     20      63       255       1285      7716

Find the wrong number in the given number series.

2, 3, 5, 8, 13, 22, 34

In each of the following giving number series, a wrong number is given. Find out the wrong number?

3023, 3132, 3246, 3356, 3471

547, 594, 640, 691, 741, 792

5, 13, 41, 185, 1111, 8149

2, 4, 16, 48, 240, 1440, 10080

Find the wrong number in the given number series.

3, 6, 24, 120, 720, 5040

12, 3.6, 18, 0.72, 0.432, 0.3024

24, 12, 22.5, 45, 157.5, 708.75