1.

 A booster pump can be used for filling as well as for emptying a tank. The capacity of the tank is 2400 . The emptying capacity of the tank is 10 per minute heigher than its filling capacity and the

A. 50 m^3/min
B. 60 m^3/min
C. 72 m^3/min
D. None of these
Answer» B. 60 m^3/min


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