Question

Two pipes can fill a tank in  24 hours  and  40 hours  respectively. A leak can empty the full tank in  60 hours . If all three are opened together for  6 hours  and then the leak is closed, how much more time will the two pipes take to fill the remaining tank?

A 10 (1/2) hrs
B 10 (2/9) hrs
C 17 (5/2) hrs
D 15 (2/9) hrs
E None of these
Practice Next

More Pipes and cisterns Questions

Hey! Ask a query