1.

There are two solutions of acid and water, one contains acid and water in the ratio 3 ∶ 5 and the other contains acid and water in the ratio 1 ∶ 3. Equal quantities of these two solutions are mixed in a vessel. From this resulting solution, 704 ml is taken out and mixed with 88 ml of water. What is the ratio of acid and water in the final solution?

A. 4 : 11
B. 6 : 11
C. 5 : 13
D. 7 : 13
Answer» D. 7 : 13


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