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      Question

      A vendor marked the price of an article worth Rs 1200

      at 50% above cost price and sold it for Rs 1620 after allowing a discount of X%. Find X.
      A 50% Correct Answer Incorrect Answer
      B 10% Correct Answer Incorrect Answer
      C 20% Correct Answer Incorrect Answer
      D 40% Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, 1200 × 150 / 100 × (100 − x) / 100 = 1620 1800 × (100 − x) / 100 = 1620 1800(100 − x) = 162000 100 − x = 90 x = 10%

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