Maths

how many words consisting of 5 consonants and 3 vowels be formed out of 7 consonants and 5 vowels

1. 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.

posted by Steve

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