Multiple choice

The ratio of milk and water in to mixtures A and B are 3:4 and 5:9 respectively. If these two mixtures are mixed in the ratio of 2:3. Then find the ratio of milk and water in the resultant mixture.

  1. 8:13

  2. 9:11

  3. 27:43

  4. 3:5

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

Mixture A (3:4) mixed with Mixture B (5:9) in ratio 2:3. For 2 units of A: milk = 2×3/7 = 6/7, water = 2×4/7 = 8/7. For 3 units of B: milk = 3×5/14 = 15/14, water = 3×9/14 = 27/14. Total milk = 27/14, total water = 43/14. Ratio = 27:43.