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      Question

      The marks obtained by A is 60% more than B, and the

      marks obtained by C is 180 more than the difference of A and B. If C obtained 330 marks, then find the marks obtained by A.
      A 360 Correct Answer Incorrect Answer
      B 400 Correct Answer Incorrect Answer
      C 450 Correct Answer Incorrect Answer
      D 570 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, Let the marks obtained by B be x. So, marks obtained by A = 1.60x According to question, (1.60x – x) + 180 = 330 0.60x = 330 – 180 0.60x = 150 x = 150 / 0.60 x = 250 Therefore, marks obtained by A = 1.60 × 250 = 400

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