Multiple choice

Two containers having a capacity of 6 lt. and 10 lt. respectively are filled with the mixtures of milk and water. First container contains 75% of water and second container contains 75% of milk. Both the containers are emptied in a big container having a capacity of 21 lt and the remaining capacity is filled with water. What is the ratio of milk and water in the big container?

  1. $3 : 7$
  2. $3 : 4$
  3. $4 : 3$
  4. $4 : 7$

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Container 1 (6L): 75% water = 1.5L milk, 4.5L water. Container 2 (10L): 75% milk = 7.5L milk, 2.5L water. Total milk = 9L, total water = 7L. Big container capacity = 21L, remaining filled with water = 5L. Final water = 7+5 = 12L. Ratio milk:water = 9:12 = 3:4.

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