3 pumps, working 8 hours a day, can empty a tank in 2 days. How many h – McqOptions

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1.	3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day should 4 pumps work in order to empty the tank in 1 day?
A.	10
B.	12
C.	8
D.	15
Answer» C. 8

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