Question

2/5 part of a water tank is filled. Pipe A can fill the tank in 12 minutes and pipe B can empty the same tank in 6 minute. If both pipes are opened together, then to fill the empty tank or to empty the full tank, what time will be taken?

• A. It will fill in 4.8 minutes.
• B. It will empty in 5.6 minutes.
• C. It will empty in 4.8 minutes.
• D. It will fill in 5.6 minutes.

Answer 1

Answer: (C)