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Q: In what ratio must a shopkeeper mix two types of rice worth 60 Rs per kg and 80 rs per kg, So that the average cost of the mixture is 75 Rs per kg?
  • A. 3 : 2
  • B. 2 : 3
  • C. 1 : 3
  • D. 1 : 2
Correct Answer: Option C -
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Explanations:

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