Pipes and Cisterns Quiz 3

 

1) Two pipes a and B can separately fill a cistern in 7 ½ and 5 min respectively and a waster pipe C can carry off 280 liters per minute. If all the pipes are opened when the cistern is full it is emptied in 1 hour. Find the capacity of the cistern





2) Two inlet pipes of filling rate 10 minutes per cistern and 15 minutes per cistern and one outlet pipe of emptying rate 5 minutes per cistern are fitted to a cistern and are opened together when te tank is full find when the cistern will be emptied





3) Two fill pipes can separately fill a cistern in 12 min and 15 min respectively. There is one waster pipe fitted at bottom of the cistern. If all the three pipes are opened simultaneously, then the cistern is full in 10 minutes. In how much ime the waste pipe can empty the full cistern





4) A can fill a cistern n 24 minutes and B can fill in 16 minutes. With the help of third fill pipe C they can fill th cistern in 8 minutes. If only fill pipe is opened when will the cistern be full





5) Two pipes can fill a cistern in 14 hrs and 16 hrs respectively. The pipes are opened simultaneously and it is found that due to leakage in the bottom, 32 minutes extra are taken for the cistern to be filled up. If the cistern is full in what time would the leak empty it?







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