A series is given below, with one term missing. Choose the correct option from the given ones below that will complete the series
240, 122, 64, 36, 23, ?
1
18.5
2
18
3
17
4
19.5
5
17.5
A series is given below, with one term missing. Choose the correct option from the given ones below that will complete the series
240, 122, 64, 36, 23, ?