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Q: How many kilogram of rice costing Rs 60 per kg must be mixed with 24 kg of rice costing Rs 42 per kg so that there may be a gain of 12% be selling the mixture at Rs. 56 per kg?
  • A. 21.2 kg
  • B. 19.2 kg
  • C. 22 kg
  • D. 20 kg
Correct Answer: Option B -
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Explanations:

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