Multiple choice

Two equal glasses are respectively (\frac{1}{4})th and (\frac{3}{5})th full of milk. They are then filled up with water and the contents are mixed in another glass. Find the ratio of milk and water in another glass.

  1. $13: 17$
  2. $15: 19$
  3. $17: 23$
  4. $18: 25$
  5. None of these

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

Glass 1 has 1/4 milk, 3/4 water when filled. Glass 2 has 3/5 milk, 2/5 water when filled. Combined milk = 1/4 + 3/5 = 17/20. Combined water = 3/4 + 2/5 = 23/20. Ratio milk:water = 17:23.