Pipes A and B can fill a tank in 8 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:

• ক 32/5 hours
• খ 48/5 hours
• গ 36/5 hours
• ঘ 24/5 hours ✅ সঠিক উত্তর