find the number of ways in which 4 different letters of the word MATHEMATICS can be arranged.
total number of letters in word " MATHEMATICS" is 11.
number of different letters = 8 [MATHEICS]
number of ways of choosing 4 letters out of 8 =
the number of ways of arranging 4 letters = 4!
therefore total number of ways in which 4 different letters of the word "MATHEMATICS" can be arranged
​hope this helps you
number of different letters = 8 [MATHEICS]
number of ways of choosing 4 letters out of 8 =
the number of ways of arranging 4 letters = 4!
therefore total number of ways in which 4 different letters of the word "MATHEMATICS" can be arranged
​hope this helps you