Question

Pipe A can fill a tank in 10 hours. Pipe B can fill the same tank in 12 hours. Pipe C can empty the full tank in 16 hours. All the pipes are opened at 8:00 AM. and Pipe A and B are closed at 10:00 A.M. After how much time from starting will the tank be empty?

• A. 5 hours 52 minutes
• B. 5 hours 24 minutes
• C. 4 hours 30 minutes
• D. 4 hours 8 minutes

Answer 1

Answer: (A)