In each of the following number series, the wrong number is given, find out that number.
3, 4.5, 7, 7.5, 91
3
2
4.5
3
7.5
4
7
5
None of the above
In each of the following number series, the wrong number is given, find out that number.
3, 4.5, 7, 7.5, 9