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Q: In what ratio must a grocer mix two varities of rices costings Rs. 128 and Rs 143 per kg respectively so as to get a mixture of rice price at 137.75 per kg?
  • A. 12 : 5
  • B. 5 : 4
  • C. 7 :13
  • D. 6 :7
Correct Answer: Option C -
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Explanations:

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