Correct Answer: 4 : 9
Explanation:
Step 1: Convert the given ratios into milk fractions
Step 2: Apply alligation method
Vessel A (0.75) Vessel B (0.3889) \ / \ / Mean milk = 0.5 (1:1) / \ / \ 0.5 - 0.3889 = 0.1111 0.75 - 0.5 = 0.25
Step 3: Calculate the ratio
Required ratio = 0.1111 : 0.25 ≈ 1111 : 2500 ≈ 4 : 9
Answer: 4 : 9
To achieve a final mixture containing equal parts of milk and water, the liquids from vessels A and B should be mixed in the ratio 4 : 9.
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