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1. |
A and B are solutions of acid and water. The ratios of water and acid in A and B are 4 : 5 and 1 : 2 respectively. If x liters of A is mixed with y liters of B, then the ratio of water and acid in the mixture becomes 8 : 13 What is x : y? |
A. | 5 : 6 |
B. | 3 : 4 |
C. | 2 : 3 |
D. | 2 : 5 |
Answer» C. 2 : 3 | |