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Q: The price of a variety of a commodity is `7/kg and that of another is 12/kg. Find the ratio in which two varieties should be mixed so that the price of the mixture is `10/kg.
  • A. 3 : 4
  • B. 2 : 5
  • C. 2 : 3
  • D. 4 : 5
Correct Answer: Option C -
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Explanations:

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