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 in_________? December 31, 2021December 31, 2021 administrator A. 6 hoursB. 6 2/3 hoursC. 7 hoursD. 7 1/2 hoursCheck AnswerC. 7 hours 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…