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?
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?
Answers (1)
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.