state gov DSSSB Junior Assistant, Steno and LDC Mock Test 2023 - 24 Quantitative Aptitude Time and Work Pipe and Cistern
A leak in the bottom of a tank can empty the full tank in 9 hours. An inlet pipe fills water at the rate of 5 litres per minute. When the tank is full, the inlet is opened and due to the leak the tank gets empty in 12 hours. The capacity of the tank (in litres) is:
1
10080
2
10008
3
18000
4
10800