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How many 4-letter words, with or without meaning, can be formed, out of the letters of the word, ‘LOGARITHMS’, if repetition of letters is not allowed?

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5040 letter word can be formed with or without meaning out of the word logarithms
Required number of words = Number of arrangements of 10 letters, taking 4 at a time  = 5040.

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Satyajeet Kumar

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