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      Question

      A shopkeeper purchases rice of two varieties β€˜A’ and

      β€˜B’ at Rs. 30 per kg and Rs. 21 per kg respectively. He mixes 1 kg of variety β€˜A’ rice with 2 kg of variety β€˜B’ rice and sells the mixture at Rs. 36 per kg. What is his profit percent?
      A 50% Correct Answer Incorrect Answer
      B 40% Correct Answer Incorrect Answer
      C 55% Correct Answer Incorrect Answer
      D 65% Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Cost price of 3 kg of the rice mixture = 30 + 21 Γ— 2 = Rs. 72 Cost price of 1 kg of the rice mixture = 72 Γ· 3 = Rs. 24 So, profit percentage = (36 – 24) Γ· 24 Γ— 100 = 50%

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