In each of the following number series, the wrong number is given, find out that number.
1.5, 2.5, 7, 24, 110, 505
1
2.5
2
505
3
7
4
110
5
24
In each of the following number series, the wrong number is given, find out that number.
1.5, 2.5, 7, 24, 110, 505