What should come in place of the question mark '?' in the following number series?
5, 10, 30, 120, 600, 3600, ?
1
24200
2
17200
3
26200
4
25200
5
None
What should come in place of the question mark '?' in the following number series?
5, 10, 30, 120, 600, 3600, ?