A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom. If the cistern is full the leak will empty it in. December 30, 2021December 30, 2021 administrator A. 16 hrsB. 20 hrsC. 25 hrsD. 40 hrsCheck AnswerD. 40 hrs Share the PostRelated Posts:A cistern is filled by a tap in 3 1/2 hours. Due to…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 three pipes, A, B and C. The pipes A…A pipe can fill a cistern in 20 minutes whereas the…A cistern has a leak which would empty the cistern…