state gov Allahabad High Court Group D Mock Test Series 2024 Quantitative Aptitude Time and Work Pipe and Cistern
An inlet pipe will fill a tank in 10 minutes. There are two outlets that can empty the tank separately in 12 and 15 minutes respectively. If all the pipes are opened and water starts filling up the tank, in what time will the tank get filled or emptied?
1
Emptied in 20 minutes
2
Emptied in 18 minutes
3
Filled in 75 minutes
4
Filled in 36 minutes