state gov RVUNL/JVVNL Junior Assistant / Stenographer Mock Test 2021 Quantitative Aptitude Time and Work Pipe and Cistern
2 pipes can fill a tank in 15 and 60 minutes respectively and one leak empty the same 90 minutes. If all these 3 are opened together then find the total times to fill the tank.
1
180/15 minutes
2
180/13 minutes
3
180/11 minutes
4
180/12 minutes
5
None of these