What percentage of the unit cost is covered by the

Find the wrong number in the given number series.

4, 11, 25, 53, 109, 223, 445

Find the wrong number in given series.

2118, 2140, 2209, 2334, 2550, 2893

139, 152, 172, 205, 249, 304

9 17 53 103 310 619

In each of the following number series, one term is wrong. Find the wrong term.

7, 12, 19, 28, 38, 52

Find the wrong number in the series.

2, 4, 12, 10, 30, 16, 56

A-5,   A,   35,   52,  78,  115

The following numbers follow a certain pattern. Identify the odd one out.

9, 25, 65, 191, 569, 1703

1          3          7           15           33