Multiple choice

In a mixture of milk and water, milk and water are in a ratio of 4:3. Another mixture with same ingredients, the ratio of milk and water is 5:2. If both the mixture are mixed in the ratio of 5:6, then find the % of water in the resultant mixture (approximately).

  1. 39

  2. 35

  3. 54

  4. 46

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

Mixture 1 has 3/7 water, Mixture 2 has 2/7 water. Mixed in ratio 5:6. Using weighted average: Water% = (5×3/7 + 6×2/7)/(5+6) = (15/7 + 12/7)/11 = 27/77 ≈ 35.1%, approximately 35%.