New Enroll in RBI Grade B New Batch - Starts on May 21

    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 – 10 = 40
    Therefore, number of boys in the class = 40 × 3/5 = 24

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