A cistern is filled by a tap in 3 1/2 hours. Due to leak in the bottom of the cistern, it takes half an hour longer to fill the cistern. If the cistern is full how long will it take the leak to empty it? December 31, 2021December 31, 2021 administrator A. 7 hoursB. 8 hoursC. 14 hoursD. 28 hoursCheck AnswerD. 28 hours Share the PostRelated Posts:A cistern is normally filled in 8 hours but takes…Pipe A can fill a tank in 6 hours. Due to a leak at…A leak in the bottom of a tank can empty the full…A cistern has a leak which would empty the cistern…A tap can fill a tank in 6 hours. After half the…A cistern has three pipes, A, B and C. The pipes A…