What should come in place of the question mark '?' in the following number series?
17, 90, 273, 274, -275, 822, ?1
3125
2
-3125
3
4115
4
-4115
5
-4225
What should come in place of the question mark '?' in the following number series?
17, 90, 273, 274, -275, 822, ?