A vendor mixes two rice types costing Rs. 30/kg and Rs. 50/kg in the ratio 3:2, but he mistakenly sells it at a loss of 10%. What is the selling price per kg?
Rs. 34.20
Cost price of the mixture per kg = \(\frac{3 \times 30 + 2 \times 50}{3 + 2} = \frac{90 + 100}{5} = \frac{190}{5}\) = Rs. 38.
A loss of 10% means SP = 90% of CP.
SP = 0.9 × 38 = Rs. 34.20 per kg.
Hence, the selling price is Rs. 34.20 per kg.
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