Question

    we arrange all the letters of the word PERFORMANCE in

    the alphabetical order from the left end, then the position of how many letter(s) will remain unchanged?
    A Two Correct Answer Incorrect Answer
    B None Correct Answer Incorrect Answer
    C One Correct Answer Incorrect Answer
    D Three Correct Answer Incorrect Answer

    Solution

    P             E              R             F              O             R             M            A             N             C             E A             C             E              E              F              M            N             O             P             R             R

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