engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Quantitative Aptitude Time and Work Pipe and Cistern
Three taps can fill a cistern in 15 minutes, 12 minutes and 10 minutes respectively. The cistern being empty, all the three taps are kept open. After 3 minutes, the second tap is closed. Counting time from that moment, the cistern will be full in
1
5 minutes
2
2 minute
3
3 minutes
4
1.5 minutes