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1. |
If x beakers of 100 ml containing 1 ∶ 4 acid-water solution are mixed with y beakers of 200 ml containing 3 ∶ 17 acid-water solution then the ratio of acid to water in the resulting mixture becomes 19 : 91. Find x ∶ y. |
A. | 5 ∶ 3 |
B. | 3 ∶ 5 |
C. | 7 ∶ 13 |
D. | 13 ∶ 7 |
Answer» B. 3 ∶ 5 | |