1.

In a mixture of 25 liters, the ratio of acid to water is 4 : 1. Another 3 liters of water is added to the mixture. The ratio of acid to water in the new mixture is:

A. 5 : 2
B. 2 : 5
C. 3 : 5
D. 5 : 3
Answer» B. 2 : 5


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