If P can complete a task in 20 days and Q can complete the task in 25 days then P and Q together will complete the task in how much time?
1
120/9 days
2
125/9 days
3
100/9 days
4
120/7 days
If P can complete a task in 20 days and Q can complete the task in 25 days then P and Q together will complete the task in how much time?