Sarthak and Mohan are working on alternate days in a workshop. Sarthak can complete the work in 20 days while Mohan can finish in 25 days. Sarthak works on the 1st day, Mohan on the 2nd day, and so on. How much time (in days) will they take on alternate basis?
1
\(20 \frac{1}{5}\)
2
\(22 \frac{1}{5}\)
3
23
4
More than one of the above
5
None of the above