Two pipes feed a water tank at the rate of 2 liters/minute and and 3 l – McqOptions

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1.	Two pipes feed a water tank at the rate of 2 liters/minute and and 3 liters/minute. A third pipe draws out water at a rate of 6 liters/minute. The capacity of the tank is 100 liters and it is full of water. How many minutes would it take to make the tank empty if the three pipes are opened simultaneously?
A.	125
B.	75
C.	100
D.	50
Answer» D. 50

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