Question

Pipes A and B can fill a tank in 6 hours and 15 hours, respectively. Pipe C is a drain pipe. When all the three pipes are opened together for 6 hours, then 65% of the tank is filled. Initially, pipes A and C are opened together for 8 hours and then C is closed and B is opened. Pipes A and B together will fill the remaining part of tank in _____ hours.

A 2(6/7)
B 3(1/3)
C 3(2/3)
D 2(3/7)
Practice Next

Relevant for Exams:

Hey! Ask a query