other govt exam FCI Manager Phase I & II Mock Test 2022 Quantitative Aptitude Time and Work Pipe and Cistern
Two pipe can fill the tank in 30 hours and 40 hours respectively and waste pipe can empty the tank in 60 hours. If all the pipes kept open, then how much time it will take to filled the tank?
1
24
2
20
3
22
4
26
5
18