What should come in place of the question mark '?' in the following number series?
18000, 3000, 600, 150, 50, ?, 25
1
50
2
25
3
12.5
4
5
5
37.5
What should come in place of the question mark '?' in the following number series?
18000, 3000, 600, 150, 50, ?, 25