Question

An inlet tap alone can fill a tank in 40 minutes. However, when both an inlet and an outlet tap are open together, the tank takes 66 (2/3) minutes (or 200/3 minutes) to fill. If 20 inlet taps and 25 identical outlet taps are opened simultaneously, how long will it take to completely fill the tank?

A 4.5 min
B 2 min
C 4 min
D 10 min
E None of these
Practice Next

More Pipes and cisterns Questions

Hey! Ask a query