Question

    type-ssc

    How many different words can be made using all the

    letters of the word METROLOGY?
    A 122456 Correct Answer Incorrect Answer
    B 143484 Correct Answer Incorrect Answer
    C 181440 Correct Answer Incorrect Answer
    D 163440 Correct Answer Incorrect Answer

    Solution

    METROLOGY Toal letters =9 Repeated word =O =2 times

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