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    Question

    An hour-long test has 60 problems. If a student

    completes 30 problems in 25 minutes, then the required seconds he has taken on average for computing each of the remaining problems is
    A 70 seconds Correct Answer Incorrect Answer
    B 50 seconds Correct Answer Incorrect Answer
    C 40 seconds Correct Answer Incorrect Answer
    D 30 seconds Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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