Q. 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?
✅ Correct Answer: (D)
5040
Explanation: 'LOGARITHMS' contains 10 different letters.
Required number of words = Number of arrangements of 10 letters, taking 4 at a time.
= 10P4
= 5040.
Explanation by: Ruchi Sharma
'LOGARITHMS' contains 10 different letters.
Required number of words = Number of arrangements of 10 letters, taking 4 at a time.
= 10P4
= 5040.
Required number of words = Number of arrangements of 10 letters, taking 4 at a time.
= 10P4
= 5040.