a tank is filled by 2 pipes in 20 minutes and 30 respectively.after opening the pipes when we should turn of the 1st pipe,so that tank will fill in 10 minutes
Answers
Answer:
A motor pump can fill a tank in 8 minutes and
there is a tap that can empty it in 7 minutes. If
the tank already have one-fourth filled and both
the pump and tap is opened together, when will
the tank emptied?A motor pump can fill a tank in 8 minutes and
there is a tap that can empty it in 7 minutes. If
the tank already have one-fourth filled and both
the pump and tap is opened together, when will
the tank emptied?A motor pump can fill a tank in 8 minutes and
there is a tap that can empty it in 7 minutes. If
the tank already have one-fourth filled and both
the pump and tap is opened together, when will
the tank emptied?A motor pump can fill a tank in 8 minutes and
there is a tap that can empty it in 7 minutes. If
the tank already have one-fourth filled and both
the pump and tap is opened together, when will
the tank emptied?A motor pump can fill a tank in 8 minutes and
there is a tap that can empty it in 7 minutes. If
the tank already have one-fourth filled and both
the pump and tap is opened together, when will
the tank emptied?A motor pump can fill a tank in 8 minutes and
there is a tap that can empty it in 7 minutes. If
the tank already have one-fourth filled and both
the pump and tap is opened together, when will
the tank emptied?