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Pipe ‘A’ and pipe ‘B’ can fill a cistern in 18 minutes and 20 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...
Two pipes A and B can fill a tank in 12 hours and 15 hours, respectively. Another pipe C can empty the tank in 10 hours. If all three pipes are opened t...
An inlet pipe can fill a tank in 8 hours, whereas an outlet pipe can empty the same tank in 16 hours. Find the time taken by three such inlet pipes and ...
Pipe P can fill half of the tank in 8 hrs 5 min and pipe Q can fill the same tank completely in 16 hrs 5 min. Another pipe R can empty the full tank in ...
If a tank can be filled by a tap in 14 hours, but due to an outlet, it actually takes 7 hours longer to fill the tank, find the duration in which the ou...
Two pipes A and B can fill a tank in 24 min and 32 min respectively. If both the pipes are opened simultaneously, after how much time B should be closed...
A cistern has two pipes one can fill it with water in 24 hours and other can empty it in 9 hours. In how many hours will the cistern be emptied if both ...
Pipe ‘A’ can fill a tank in 25 hours whereas leak ‘A’ can empty it in 30 hours. If they both operate along with pipe ‘B’, then the given tan...
Pipe T can empty a completely filled tank in 50 hours. Pipe R and T together can fill an empty tank completely in (z+5) hours. The efficiency of pipe R ...
Three pipes are connected to a cistern such that pipes A and B can fill the cistern in 12 minutes and 18 minutes respectively, and pipe C can empty the ...