defence exam CISF Constable Fireman Mock Test 2024 Quantitative Aptitude Time and Work Pipe and Cistern
Pipes A and B can fill an empty tank in 60 hours and 48 hours respectively while pipe C can empty the full tank in 24 hours. How many hours will it take to fill the tank 1/3 when the tank is full and all the three pipes are turned on simultaneously?
1
240
2
160
3
80
4
120