Q. 104.3( 147 Votes )

In how many of the distinct permutations of the letters in MISSISSIPPI do the four I’s not come together?

Answer :

Total number of letters in MISSISSIPPI =11


Letter Number of occurrence



Number of permutations =


We take that 4 I’s come together, and they are treated as 1 letter,


Total number of letters=11-4+1=8


Number of permutations =


Therefore, total number of permutations where four I’s don’t come together = 34650-840=33810


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