Question

    The average score of 10 students in a test is 85. If the

    average of the top 4 scores is 92.5, what is the average score of the other 6 students?
    A 76 Correct Answer Incorrect Answer
    B 80 Correct Answer Incorrect Answer
    C 84 Correct Answer Incorrect Answer
    D 90 Correct Answer Incorrect Answer
    E 92 Correct Answer Incorrect Answer

    Solution

    Total score of 10 students = 10 × 85 = 850 Total score of top 4 students = (4 × 92.5 = 370 Total score of remaining 6 students = 850 - 370 = 480 Average score of remaining 6 students = 480/6 = 80

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