Question

Pipe A can fill an empty tank in 30 hours and pipe B can fill it in 10 hours. Due to a leakage in the tank, it takes 1.5 hours more than the time taken by pipes A and B together to fill the tank completely. If the tank is completely filled, how much time will it take to empty the tank completely by leakage alone?

• A. 45 hours
• B. 40 hours
• C. 42 hours
• D. 36 hours

Answer 1

Answer: (A)