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In how many ways of the distinct permutations of the letters in 'Mississippi' do the four 'i' not come together

2
by makesh

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by makesh

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in which i =4 s=4 p=2

there fore total permutations =11!/4!4!2!

=34650

now we take all i's together hen total no will be 8 as we count all i's to be 1

now total permutations if all i's come together =8!/4!2!

=840

therefore total permutations when all is not come together =34650-840

=33810