SOLUTION: how many distinguishable permutations of letters are possible in the word ENGINEERING?

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Question 1148680: how many distinguishable permutations of letters are possible in the word ENGINEERING?
Answer by ikleyn(52776)   (Show Source): You can put this solution on YOUR website!
.

In all, there are 11 letters in the word.


Of them, letter "E" has multiplicity 3;

         letter "N" has multiplicity 3;

         letter "G" has multiplicity 2;
 
         letter "I" has multiplicity 2;

         the last letter "R" has multiplicity 1.


The number of distinguishable permutations of letters is   =  = 277200.    ANSWER

Solved.

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    - Arranging elements of sets containing indistinguishable elements
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