In each of the following number series, the wrong number is given, find out that number.
7, 21, 45.5, 83, 143.51
7
2
45.5
3
143.5
4
83
5
None of the above
In each of the following number series, the wrong number is given, find out that number.
7, 21, 45.5, 83, 143.5