Question

Pipes A and B can fill an empty tank in 6 and 8 hours respectively, while pipe C can empty the full tank in 10 hours. If all three pipes are opened together, then the tank will get filled in:

A 6(1/5) hrs
B 7(1/2) hrs
C 4 (4/23) hrs
D 5 (5/23) hrs
Practice Next

Relevant for Exams:

Hey! Ask a query