insurence exam LIC HFL Assistant/Assistant Manager Mock Test Series Quantitative Aptitude Time and Work Pipe and Cistern
There is a leakage at the bottom of the tank which can empty the tank in 60 hours. Pipe A can fill the tank in 10 hours while pipe B can empty the tank in 40 hours. If pipe A alone opened till 3/4th tank gets filled and then pipe B is opened. In how many hours tank gets completely filled?
1
89/5 hours
2
87/6 hours
3
79/3 hours
4
74/7 hours
5
93/7 hours