An inlet pipe and an outlet pipe are tak...

An inlet pipe and an outlet pipe are taking trams to fill and drain a cistern, respectively for an hour ench at a time, starting with the inlet pipe when the citem is empty. It takes the inlet pipe 15 hours to fully fill the empty cistern, whereas the outlet pipe can drain the filed eitem completely in 21 hours. How many hours will it take for the cistem to be full?

105

52.5

100

Text Solution

Verified by Experts

The correct Answer is:

Similar Questions

Explore conceptually related problems

One pipe can fill an empty cistern in 4 hours while another can drain the cistern when full in 10 hours. Both the pipes were turned on when the cistern was half-empty. How long will it take for the cistern to be full?

Pipe A takes 4 hours to fill a tank. Pipe B tankes 6 hours to empty the same tank when full. If both the Pipe are opened at the same time when tank is empty, how many hours will it take for the tank to fill?

An inlet pipe takes 8 hoursto fill a tank. An outlet pipe takes 12 hours to empty it. If both pipes are opened simultaneously, in how many hours will the tank be filled?

Pipes A and C can fill an empty cistern in 32 and 48 hours, respectively while Pipe B can drain the filled cistern in 24 hours. If the three pipes are turned on together when the cistern is empty, how many hours will it take for the cistern to be 2/3 full?

A pipe Can fill a tanke in 10 hours. The other pipe can fill a tank in 15 hours. How much time will they take to fill that tank together.

Two inlet pipes A and B can fill an empty cistern in 35 hours and 52.5 hours respectively while Pipe C is an outlet pipe that can drain the filled cistern in 17. 5 hours. When the cistern is full Pipe C is left open for an hour, then closed and Pipe A is opened for an hour, closed and Pipe B is opened for an hour. The process continues till the cistern is empty. How many hours will it take for the filled cistern to be emptied ? (a)301 (b)313 (c)298 (d)315

Two inlet pipes A & B can fill an empty cistern in 12 hours & 36 hours respectively while Pipe C is an outlet pipe that can drain the filled cistern in 6 hours. When the cistern is full Pipe C is left open for an hour, then closed & Pipe A is opened for an hour, closed and Pipe B is opened for an hour. The process continues till the cistern is empty. How many hours will it take for the filled cistern to be emptied?

Text Solution

Similar Questions

Recommended Questions