Question

Pipe A can fill a tank in 6 hours. Pipe B can fill the same tank in 8 hours. Pipe A, B and C together can fill the same tank in 12 hours. Then which of the following statements is true for pipe C?

• A. It can fill the tank in 4 hours 40 minutes
• B. It can fill the tank in 4 hours 48 minutes
• C. It can empty the tank in 4 hours 48 minutes
• D. It can empty the tank in 4 hours 40 minutes

Answer 1

Answer: (C)