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  1. In how many different ways can the letters of the word 'REPLACE' be arranged ?
    2. A.

    2630
    B.

    5040
    C.

    1680
    D.

    2580
    E.

    None of these

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    Answer : Option E

    Explanation :

    The word REPLACE consists of 7 letters in which E comes twice.

    Number of arrangements= 7!/2!

    = 7 * 6 * 5 * 4 * 3 * 2 * 1 = 2520

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