Question

2. A tap can fill a tank in 4 hours and another tap can fill the same tank in 6 hours.
Two outlet pipes empty the tank in 8 hours and 12 hours, respectively. All the four
taps are opened at the same time and run for 3 hours. The taps are then closed.
How much time will it now take to empty the tank?​

Answer 1

Answer:

xoxo Karl Karl is well laundry