Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 8 hours while pipe ‘C’ takes 50 hours to empty it. ...
A printing machine ‘P’ and a printing machine ‘Q’ can print a set of documents in 14 hours and 21 hours, respectively. If both machines work tog...
Pipe ‘A’ can fill a tank in 22 hours while pipe ‘B’ can empty it in 25 hours. They were operated on alternate hours starting with pipe ‘A’. ...
Pipe A alone fill the tank in x hours and Pipe B alone fill the tank in (x – 8) hours. If the efficiency of pipe B is triple of pipe A and pipe A fill...
A bought an article at 8% less of the marked price and sold it at 15% more than the marked price. Find the profit earned by him.
Pipe ‘A’ can fill a tank in 12 hours whereas pipe ‘B’ can empty it in 30 hours. If both pipes are opened together while pipe ‘B’ is closed a...
Pipes P and Q can fill a tank in 90 minutes and 60 minutes respectively. Another pipe R can drain the tank in 2 hours 30 minutes. Q and R are opened tog...
Pipe ‘A’ can fill a tank in 30 hours while pipe ‘B’ can empty it in 40 hours. They were operated on alternate hours starting with pipe ‘A’. ...
Pipe ‘A’ can fill a tank in 12 hours while pipe ‘B’ takes 15 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 1...
Pipes ‘A’ and ‘B’ can fill a tank in 6 hours and 9 hours, respectively. If pipe ‘C’ is opened along with pipes ‘A’ and ‘B’, then the...
