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      Question

      The marks obtained by P is 20% more than Q, and the

      marks obtained by R is 150 more than the difference of the marks obtained by P and Q. If R obtained 210 marks, then find the marks obtained by P.
      A 300 marks Correct Answer Incorrect Answer
      B 360 marks Correct Answer Incorrect Answer
      C 420 marks Correct Answer Incorrect Answer
      D 400 marks Correct Answer Incorrect Answer
      E 450 marks Correct Answer Incorrect Answer

      Solution

      Let the marks obtained by Q be ‘x’. So, marks obtained by P = 1.20x According to question, (1.20x - x) + 150 = 210 0.20x = 210 - 150 0.20x = 60 x = 60 / 0.20 x = 300 Therefore, marks obtained by P = 1.20 x 300 = 360 marks

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