Two Inlet pipes A & B fill a tank in 48 & 64 minutes. Both pipes opened together, after what time close the pipe B, the whole tank will be filled at 36 minutes

Inlet Pipe A fills a tank in 24 minutes and outlet pipe B empty's the tank in 16 minutes. Both pipes opened together in ¾ full tank. How much time will become empty?

Two Inlet pipes A&B fill a tank in 20 & 30 Hours starting with A both pipes open alternatively. So, the tank will be fill in how much time?

Two Inlet pipes A & B fill a tank in 15 & 12 Hours & the outlet pipe empty’s the full tank in 4 hours. If pipe will be open in order at 8 am, 9 am, & 11 am. The tank will be emptied at?

Three Inlet pipes A, B, & C fill a tank in 8,12 & 24 Hours. All the pipes opened at 7 am, 8 am, 9 am respectively, so the tank will be filled at what time

Two Inlet pipes A and B fill a tank in 30 & 45 Minutes & Outlet pipe C empty’s the tank in 60 Minutes. All pipes opened together after 10 minutes close the pipe C, the tank will be filled in how many minutes

Two Inlet pipes A and B fill a tank in 12 & 15 Hours & Outlet pipe C empty’s the tank in 20 Hours. All pipes opened together; the tank will be filled in how many hours

Inlet pipe A can fill a tank in 6 Hours & Outlet pipe B empty the tank in 10 Hours. Both pipes Open Together, then the tank will be filled in how many

Three inlet pipes A, B, &C fill a tank in 10, 20, and 30 Hr. If All Pipes are open together after 4 hours closed pipe A. Then after 2 hours closed the pipe B. The Rest work will be done by C. Then after how many hours tank will be filled.