Question

Tap A can fill an empty tank in 8 hours if no other tap is open and tap B can empty the same tank, in 12 hours , when no other tap is open. Find the time taken to fill the same tank, when tank is empty, if both the taps are opened together.

• A. 36 hours
• B. 12 hours
• C. 24 hours
• D. 16 hours

Answer 1

Answer: (C)