In the following number series, a wrong number is given. Find out the wrong number.
12, 24, 72, 289, 1440, 8640
1
8640
2
1440
3
289
4
12
5
None of these
In the following number series, a wrong number is given. Find out the wrong number.
12, 24, 72, 289, 1440, 8640