How many words of 4 consonants and 3 vowels can be formed from 12 consonants and 4 vowels?
Post your comments here:Name *: Email : (optional) » Your comments will be displayed only after manual approval. How many words of 4 consonants and 3 words can be made from 12 consonants and 4 vowels if all the letters are different?Solution(By Examveda Team)
Therefore, total number of groups each containing 4 consonants and 3 vowels, = 12C4 × 4C3 Each group contains 7 letters, which can be arranging in 7!
How many words of 4 consonants and 3 vowels can be?∴ Required number of words =12C4∗4C3∗7! =9979200.
How many words of 4 consonants and 3 vowels can be formed out of 8 consonants and 5 vowels?Out of 8 consonants and 5 vowels, how many words can be made, each containing 4 consonants and 3 vowels? Internal arrangement of 7 letters = 7! Hence, option C is the correct answer.
How many words of 3 consonants and 3 vowels can be formed?Total no. of words = 4C1×13=52.
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