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      Question

      The ratio of present boys to girls is 3:2. 10 girls are

      absent, which is 20% of the class. No boys are absent. Find the number of boys.
      A 18 Correct Answer Incorrect Answer
      B 24 Correct Answer Incorrect Answer
      C 30 Correct Answer Incorrect Answer
      D 20 Correct Answer Incorrect Answer
      E 27 Correct Answer Incorrect Answer

      Solution

      Total number of students = 10/0.20 = 50
      Number of students who are present = 50 тАУ 10 = 40
      Therefore, number of boys in the class = 40 ├Ч 3/5 = 24

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