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    Question

    If the odd digits are decreased by 1 in the number

    74589356, then how many prime numbers remain after rearrangement?
    A Two Correct Answer Incorrect Answer
    B One Correct Answer Incorrect Answer
    C Three Correct Answer Incorrect Answer
    D Four Correct Answer Incorrect Answer
    E Five Correct Answer Incorrect Answer

    Solution

    7          4          5          8          9          3          5          6          6          6          4          4          8          8          2           4          6          6

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