Sudhakar can finish a piece of work in 15 days and Bina can finish the 1/5th of the same work in 6 days. In how many days together they can finish the 3/5th part of the total work?
1
6 days
2
4 days
3
3 days
4
2 days
5
None of these
Sudhakar can finish a piece of work in 15 days and Bina can finish the 1/5th of the same work in 6 days. In how many days together they can finish the 3/5th part of the total work?