Question:

A dealer buys dry fruits at Rs. 100, Rs. 80 and Rs. 60 per kilogram. He mixes them in the ratio 3 : 4 : 5 by weight, and sells at a profit of 50%. At what price per kilogram does he sell the dry fruit?

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Weighted average cost price is the base for adding profit percentage.
Updated On: Aug 6, 2025
  • Rs. 80
  • Rs. 100
  • Rs. 95
  • None of these
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The Correct Option is B

Solution and Explanation

Cost price per kg = $\frac{3 \times 100 + 4 \times 80 + 5 \times 60}{3+4+5} = \frac{300 + 320 + 300}{12} = \frac{920}{12} \approx 76.67$. Selling price = $76.67 \times 1.5 \approx 115$. Not in Option → correct is "None of these".
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