In how many different ways can the letters of the word MISSISSIPPI be arranged?  Choose the correct choice from the following answers:
A) 11!/(4!4!2!)
B) 11!/4!
C) 11!/2!
D) 11!
E) 2×11!
Number of ways 11 letter can be arranged = 11!   The 11! arrangement will also contain duplicates because of the characters   that are repeated   We have 4 S's =4! repeats   We have 4 I's =4! repeats   We have 2 P's =2! repeats   So the total possible arrangement will be 11!/4!4!2!   11!/(4!4!2!)ns 11!/(4!4!2!)
<result>A</result>
In how many different ways can the letters of the word MISSISSIPPI be arranged?