1
Question
How many four letter words can be formed from the letters of the word "LOGARITHMS", if repetation is not allowed ?
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Solution
The word “ LOGARITHMS” has 10 different letters and we have to form words using any 4 letters from the 10 given letters.
Therefore,
Total no. of words that can be formed
= 10P4 = 10 !(10−4)! = 5040
Therefore,
Total no. of words that can be formed
= 10P4 = 10 !(10−4)! = 5040
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