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    Question

    In a classroom, there are 24 male students and 16 female

    students. The male students have an average age of 16 years, while the female students average 14 years in age. Calculate the overall average age of all students in the class.
    A 15.2 years Correct Answer Incorrect Answer
    B 16 years Correct Answer Incorrect Answer
    C 15.8 years Correct Answer Incorrect Answer
    D 15.5 years Correct Answer Incorrect Answer
    E 14.6 years Correct Answer Incorrect Answer

    Solution

    According to the question, Sum of the ages of all the boys = (24 × 16) = 384 years Sum of the ages of all the girls = (16 × 14) = 224 years Required average = (384 + 224)/(24 + 16) = 608/40 = 15.2 years Hence, option a.

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