Q. Pipe A can fill a tank in 8 hours and pipe B can fill it in 16 hours. Pipe C empties the tank in 12 hours. If all are opened together, the tank will be filled in?
✅ Correct Answer: (C)
12 hours
Explanation: Net rate = 1/8 + 1/16 − 1/12 = 1/12.
Explanation by: Hriday
Net rate = 1/8 + 1/16 − 1/12 = 1/12.