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A 45-litre mixture of milk and water contains milk and water in the ratio 2:1. How much water must be added so that the ratio becomes 3:2? (answer in litres)

Competition practiceRatio, Proportion & Mixtures
  • A5
  • B10
  • C15
  • D7.5

Step-by-Step Solution

Milk = 30 L, water = 15 L. For 3 : 2, water must be L, so add 5 litres.
Answer: A) 5

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