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    Question

    6 students appear in an examination. In how many ways

    can the result be announced?
    A 64 Correct Answer Incorrect Answer
    B 32 Correct Answer Incorrect Answer
    C 128 Correct Answer Incorrect Answer
    D 256 Correct Answer Incorrect Answer

    Solution

    Each student can either pass or fail  So there exists two possibilities for each student. So total number of ways = 26 = 64

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