- Pipes ‘M’ and ‘N’ alone can fill a tank in 14 minutes and 21 minutes, respectively, while pipe ‘O’ can empty the same tank in 42 minutes. If al...
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...
Two pipes A and B can fill a tank in (x+4) hours and (x+8) hours, respectively. Both pipes are opened together, and after 4 hours, pipe A is closed. Pip...
Pipe 'R' and 'S' can fill a tank in 40 minutes and 1 hour respectively. 'R' is opened alone. After 16 minutes, 'R' is closed and 'S' is opened. Find th...
An inlet pipe can fill a tank in 18 minutes, while an outlet pipe can empty it in 27 minutes. Sujata starts the inlet pipe at 6 a.m., but the outlet pip...
Pipes A and B can fill a tank in 43.2 minutes and 108 minutes, respectively. Pipe C can empty it at 3 litres/minute. When all the three pipes are opened...
Pipe A and Pipe B together can fill the tank in 20 hours. The capacity of the pipe A is 25% of the capacity of the pipe B. How much time will pipe B alo...
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 pipes A, B, and C can fill a tank in 15 hours, 20 hours, and 25 hours respectively. All three pipes are opened together, but after 4 hours, pipe C...
Pipes A and B can fill an empty tank in 20 hours and 24 hours, respectively, while pipe C can drain the full tank in "x" hours. If all three pipes (A, B...
