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Q: The cost of one liter milk is `40. Water is mixed with milk and the mixture is sold at 30 per liters. Find the ratio of water and milk in the mixture.
  • A. 2 : 5
  • B. 1 : 2
  • C. 1 : 3
  • D. 2 : 3
Correct Answer: Option C -
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Explanations:

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