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Q: In what ratio, sugar costing ` 60 per kg be mixed with sugar costing ` 42 per kg such that by selling the mixture at ` 56 per kg there is a gain of 12%?
  • A. 5 : 7
  • B. 4 : 5
  • C. 5 : 6
  • D. 8 : 9
Correct Answer: Option B -
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Explanations:

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