Q. A water tank has three taps A,B and C.Tap A, when opened, can fill the water tank alone in 4 h. Tap B, can fill the water tank alone in 6 h and tap C can empty the water tank alone in 3 h. If taps A, B and C are opened simultaneously. How long will it take to fill the tank completely?
✅ Correct Answer: (C)
12h
You must be Logged in to update hint/solution