other govt exam UPSC EPFO Personal Assistant Mock Test 2024 Quantitative Aptitude Time and Work Pipe and Cistern
A leak at the bottom of a tank can empty the full tank in 8 hours. An inlet pipe fills water at the rate of 6 litres a minute. When the tank is full, the inlet is opened and due to the leak, the tank is empty in 12 hours. How many litres does the cistern hold?
1
1728
2
2160
3
4320
4
8640