1.

A cistern has two inlets A and B which can fill it In 12 minutes and 15 minutes respectively. An outlet C can empty the lull cistern in 10 minutes. If all the three pipes are opened together In the empty lank, how much time will they take to MI the tank completely?

Answer»

A cistern has two inlets A and B which can fill it In 12 minutes and 15 minutes respectively. An outlet C can empty the lull cistern in 10 minutes. If all the three pipes are opened together In the empty lank, how much time will they take to MI the tank completely?



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