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    • Question

      Out of 750 students, the ratio of boys to girls is 6:4. The

      ratio of boys who passed to those who failed is 8:1, and that of girls is 7:3. How many students passed the exam?
      A 760 Correct Answer Incorrect Answer
      B 610 Correct Answer Incorrect Answer
      C 540 Correct Answer Incorrect Answer
      D 375 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Number of boys = (6/10) × 750 = 450

      Number of girls = (4/10) × 750 = 300

      Required number of students = (8/9) × 450 + (7/10) × 300 = 400 + 210 = 610

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