What should come in place of the question mark '?' in the following number series?
408, 204, 102, 51, 25.5, ?
1
12.5
2
8.75
3
12.75
4
10.75
5
None of these
What should come in place of the question mark '?' in the following number series?
408, 204, 102, 51, 25.5, ?