From 5 consonants and 4 vowels, how many words can be formed using 3 consonants and 2 vowels?
From 5 consonants, 3 consonants can be selected in 5C3 ways.
From 4 vowels, 2 vowels can be selected in 4C2 ways.
Now with every selection, number of ways of arranging 5 letters is 5P5
Total number of words =5C3*4C2*5P5= 7200
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