Multiple choice

The milk and water in two vessels A and B are in the ratio 4 : 3 and 2 : 3 respectively. In what ratio, the liquids in both the vessels be mixed to obtain a new mixture in vessel C containing half milk and half water?

  1. 7 : 5

  2. 5 : 2

  3. 3 : 11

  4. 1 : 2
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Use alligation on milk fractions: vessel A has 4/7 milk, vessel B has 2/5 milk. Target is 1/2 milk. Deviations: |4/7 - 1/2| = 1/14, |2/5 - 1/2| = 1/10. Ratio is inverse: 1/14 : 1/10 = 10:14 = 7:5. Mixing A and B in 7:5 gives equal milk and water.

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