state gov DSSSB Junior Assistant, Steno and LDC Mock Test 2023 - 24 Quantitative Aptitude Time and Work Pipe and Cistern
Two pipes X and Y can fill a container in \(37\frac{1}{2}\) minutes and 45 minutes respectively. If both the pipes are opened together, then the container will be filled in half an hour. After how much time pipe Y should be turned off?
1
15 minutes
2
10 minutes
3
5 minutes
4
9 minutes