A cistern can be filled by a tap in 6 hours and emptied by an outlet pipe in 8 hours. How long will it take to fill the cistern if both the tap and the pipe are opened together ?

A cistern can be filled by a tap in 6hours and emptied by an outlet pipe in 8 hours.How long will it take to fill the cistern if both the tap and the pipe are opened together?

A cistern can be filled by one tap in 4 hours and by another in 3 hours. How long will it take to fill it if both taps are opened together ?

A cistern can be filled by one tap in 4 hours and by another in 3hours.How long will it take to fill it if both taps are opened together?

Tap A can fill a cistern in 8 hours and tap B can empty it in 12 hours.How long will it take to fill the cistern if both of them are opened together?

One tap can fill a cistern in 2 hours and another can other can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened ?

Two tap can fill a cistern in 8 hours and 10 hours respectively.A third tap can empty it in 6 hours.How long will they take to fill the cistern if all the taps are opened.

One tap can fill a cistern in 3 hours and the waste pipe can empty the full cistern in 5 hours. In what time will the empty cistern be full, if the tap and the waste pipe are kept open together ?

A cistern has two pipes. One can will it with water in 8 hours and the other can empty it in 5 hours. In how many hours will the cistern be emptied if both the pipes are opened together, when 3/4 of the cistern is already full of water?