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      Question

      In a class, 1/3 of the students are girls and rest are

      boys. If 3/5 of the girls and 1/5 of the boys are absent, what part of the total number of students are present?
      A 23/30 Correct Answer Incorrect Answer
      B 23/36 Correct Answer Incorrect Answer
      C 18/49 Correct Answer Incorrect Answer
      D 2/3 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let the total number of students in a class be x тИ┤ According to the question, Number of girls = 1/3 x and number of boys = x - 1/3 x = 2/3 x Number of girls who are absent = 3/5 ├Ч1/3 x Thus, girls present = 2/5 ├Ч1/3 x = 2/15 x Number of boys who are absent = 1/5 ├Ч2/3 x Thus, boys present = 4/5 ├Ч2/3 x= 8/15 x Total present = 2/15 x+┬а 8/15 x=┬а 10/15 x=┬а 2/3 x

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