Multiple choice

Two vessels contain milk and water in the ratio 3:5 and 6:1. Find the ratio in which the contents of the two vessels have to be mixed to get a new mixture in which the ratio of milk and water is 7:3.

  1. 91: 44

  2. 17: 81

  3. 44: 91

  4. 81: 17

  5. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Using allegation: Vessel 1 has 3/8 = 0.375 milk, Vessel 2 has 6/7 ≈ 0.857 milk. Target is 7/10 = 0.7. The ratio is (0.857 - 0.7) : (0.7 - 0.375) = 0.157 : 0.325 = 44 : 91. So mix in ratio 44:91.