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Question

Out of 7 consonants and 4 vowels, words are to be formed by involving 3 consonants and 2 vowels. The number of such words formed is :

A
25200
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B
22500
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C
10080
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D
5040
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Solution

The correct option is A 25200
Number of words formed = Number of ways of selecting 3 consonants × number of ways of selecting 2 vowels × total permutations of 5 alphabets
=73C×42C×5!
=25200

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