100 kg rice is sold partially at 10% profit. Remaining is sold at 20% profit. If the total profit on this selling is 12%, then what quantity of rice he sold at 20%

  • 30 kg
  • 20kg
  • 40kg
  • 50kg
  • 60kg
  • Explanation:

    Let the quantity of rice sold at 20% profit = x kg

    ∴Rice sold at 10% profit = (100-x) kg

    According to question,

    (100-x)×110/100+x×120/100 = 100×112/100

    11000-110x+120x=11200

    10x=200

    x=20kg

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100 kg rice is sold partially at 10% profit. Remaining is sold at 20% profit. If the total profit on
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