In each of the following number series, the wrong number is given, find out that number.
120, 80, 65, 50, 45, 42.5
1
45
2
42.5
3
65
4
80
5
120
In each of the following number series, the wrong number is given, find out that number.
120, 80, 65, 50, 45, 42.5