In each of the following number series, the wrong number is given, find out that number.
7, 4, 6, 9, 20, 52.5, 160.5
1
6
2
4
3
20
4
9
5
5
In each of the following number series, the wrong number is given, find out that number.
7, 4, 6, 9, 20, 52.5, 160.5