How many 3-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed?
Choose the correct choice from the following options:
A) 720	B) 420	C) None of these	D) 5040	E) Cannot be determined
Explanation :   The word 'LOGARITHMS' has 10 different letters.   Hence, the number of 3-letter words(with or without meaning) formed by using these letters   = 10P3   = 10 x 9 x 8   = 720. 720nswer : Option 720
<result>A</result>
How many 3-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed?