disneyshree77601 disneyshree77601
  • 30-01-2024
  • Physics
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A mixture of 30 litres contains milk and water in the ratio of 7 ∶ 3. How much water should be added to it so that the ratio of milk and water becomes 3 ∶ 7?
O 49 litres
O 40 litres
O 63 litres
O 56 litres

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