1.

In a 60 liter mixture, the ratio of acid and water is 2 : 1. How much liter of water should be added to it so that the ratio of acid and water will be is 1 : 2?

A. 60 liters
B. 72 liters
C. 44 liters
D. 52 liters
Answer» B. 72 liters


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