Two pipes A and B can fill a cistern in `37 1/2` minutes and 45 minutes respectively . Both pipes are opened . he cistern will be filled in just half an hour , if the pipe B is turned off after :
Two pipes can fill a tan in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All he three pipes working together can fill the tan in 15 minutes . The capacity of the tank is :
A leak in the bottom of a tank can empty the full tank in 8 hours. An inlet pipe fills water at the rate of 6 litres a minute. When the tank is full , the inlet is opened and due to he leak, the tank is empty in 12 hours. How many litres does the cistern hold ?
A booster pump can be used for filling as well as for emptying a tank. The capacity of he tank is 2400` m^3`. The emptying capacity of the tank is 10`m^3` per minute higher than is filling capacity and the pump needs 8 minutes lesser to empty the tank than it needs to fill it . What is the filling of the pump ?
Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be full in :