Two inlet pipes 'A' and 'B' can fill an empty tank in 15 minutes and 20 minutes, respectively. Another outlet pipe 'C' can empty the tank in 60 minutes....
The efficiencies of two inlet pipes, 'P' and 'Q', are in the ratio of 3:5, respectively. When both pipes are open together, the tank is filled in 16 hou...
Pipe ‘G’ and pipe ‘H’ together can fill an empty tank in 40 hours while pipe ‘H’ and pipe ‘I’ together take 25 hours to fill the same ta...
Pipe A fills a tank in 10 hr, Pipe B in 15 hr, and Pipe C empties in 30 hr. All open together. Time to fill?
If a tank can be filled by a tap in 12 hours, but due to an outlet, it actually takes 6 hours longer to fill the tank, find the duration in which the ou...
Pipe 'A' fills half tank in 14 minutes. Pipe 'B' is 4 times as efficient. What % of the tank will be filled by both in 4 minutes?
A water tank can be filled in 20 minutes by an inlet and emptied in 30 minutes by an outlet. Calculate the time required to fill half of the tank with b...
Pipes 'X' and 'Y' can fill a tank in 15 hours and 10 hours respectively, while pipe 'Z' can empty it in 30 hours. All pipes are opened together when the...
Two pipes A and B can fill a tank in 4 hours and 7 hours respectively & a waste pipe C can empty in 8 hours. If pipes A , B & C are opened at 7a...
Time taken by pipe 'A' to fill a tank is 45 minutes. When both pipes 'A' and 'B' are opened together, the tank gets filled in 18 minutes. Find the time ...
