state gov Odisha High Court ASO 2024-25 Mock Test Series Quantitative Aptitude Time and Work Pipe and Cistern
Two pipes X and Y can fill up a tank in 32 minutes and 16 minutes respectively. If both the pipes are opened simultaneously, after how much time should Y be closed, so that the tank is full in 20 minutes?
1
6 minutes
2
10 minutes
3
4 minutes
4
8 minutes