Practicing Success
Pipes A and B can fill a tank in 6 hours and 8 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together the time in which the tank can be filled is : |
$4\frac{2}{3}$ Hours $5\frac{1}{3}$ Hours 5 Hours $4\frac{4}{5}$ Hours |
$4\frac{4}{5}$ Hours |