Question

    The average age of 30 students in a class is 20 years.

    If each student's age is increased by 5 years, then determine the number by which the average age is increased. 
    A 8 Correct Answer Incorrect Answer
    B 7 Correct Answer Incorrect Answer
    C 5 Correct Answer Incorrect Answer
    D 3 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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