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  • Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

Answers (1)

Number of ways to choose 3 consonants and 2 vowels out of 7 consonants and 4 vowels = ^7C_3 \times ^4C_2

Hence the required number of ways to form words = ^7C_3 \times ^4C_2 \times 5!= 210 \times 120 =25200

Posted by

Ravindra Pindel

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