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A trader mixes 30 kg of rice at Rs. 27 per kg with 35 kg of rice of other variety at Rs. 38 per kg and sells the mixture at Rs. 38 per kg. His profit percent is (approx)

Question and options

A trader mixes 30 kg of rice at Rs. 27 per kg with 35 kg of rice of other variety at Rs. 38 per kg and sells the mixture at Rs. 38 per kg. His profit percent is (approx)
  1. 5%
  2. 12.5%
  3. 10%
  4. 15.5%

Answer and explanation

Correct answer: D - 15.5%
Cost = 30×27+35×38=810+1330=214030 \times 27 + 35 \times 38 = 810 + 1330 = 2140. Selling price = 65×38=247065 \times 38 = 2470. Profit = 330, so profit % = 3302140×100=15.4%\frac{330}{2140} \times 100 = 15.4\%, approx 15.5%.

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