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 is_______? December 30, 2021December 30, 2021 administrator A. 6 hrsB. 6 2/3 hrsC. 7 hrsD. 7 1/2 hrsCheck AnswerC. 7 hrs Share the PostRelated Posts:Three taps A, B and C can fill a tank in 12, 15 and…Three pipes A, B and C can fill a tank in 6 hours.…A top can fill a cistern in 8 hours and another can…A tap can fill a tank in 6 hours. After half the…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…