Maths
posted by Adona
how many words consisting of 5 consonants and 3 vowels be formed out of 7 consonants and 5 vowels

Steve
There are 7C5 ways to pick the consonants
There are 5C3 ways to pick the vowels
Each set of 8 letters can then be rearranged in 8! ways.
This is assuming no duplicate letters.
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