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How many words of 4 consonants and 3 vowels can be formed from 6 consonants and 5 vowels?

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How many words of 4 consonants and 3 vowels can be formed from 6 consonants and 5 vowels?
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Required number of words =  6C4 x 5C3 x 7! = 756, 000

[selection can be made in 6C4 x 5C3, while the 7 letters can be arranged in 7! ways]

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