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Q: In what ratio, should rice at Rs. 60 per kg be mixed with rice at Rs. 42 kg such that by selling the mixture at 56 Rs. per kg there is a gain of 12%?
  • A. 6:7
  • B. 2:3
  • C. 4:5
  • D. 2:5
Correct Answer: Option C -
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Explanations:

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