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Pipe ‘A’ takes 40 minutes to fill a tank. Pipe ‘B’ takes 50 minutes to empty the same tank. If pipe ‘B’ is opened 21...
Pipe A and Pipe B together can fill the tank in 15 hours. The capacity of the pipe A is 30% of the capacity of the pipe B. How much time will pipe B alo...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 7 hours while pipe ‘C’ takes 40 hours to empty it. ...
Pipe A can fill a tank in 45 minutes while pipe B can fill it in ____ minutes. There’s a leak in the tank which can empty it in _____minutes. When bot...
Pipe A alone fill the tank in x hours and Pipe B alone fill the tank in (x – 7) hours. If the efficiency of pipe B is double of pipe A and pipe A fill...
Three taps A, B and C can fill a tank in 10, 18 and 6 hours, respectively. If B is open all the time and A and C are open for one hour each alternativel...
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 ...
Pipe A and Pipe B together can fill the tank in 20 hours. The capacity of the pipe A is 40% of the capacity of the pipe B. How much time will pipe B alo...
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.
Two inlet pipes 'A' and 'B' can fill an empty tank in 36 minutes and 54 minutes, respectively. Another outlet pipe 'C' can empty the tank in 108 minutes...