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    Question

    What is the average number of students who failed in an

    exam in the year 2002 and 2003?
    A 144 Correct Answer Incorrect Answer
    B 285 Correct Answer Incorrect Answer
    C 277 Correct Answer Incorrect Answer
    D 326 Correct Answer Incorrect Answer

    Solution

    Number of students who failed in an exam in the year 2002 = 520 × (60/100) = 312 Number of students who failed in an exam in the year 2003 = 440 × (55/100) = 242 Required average = (312 + 242)/2 = 277

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