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anishsaini10
How many words of 4 different letters can be formed out of 7 capital letters, 3 vowels and 5 consonants if each word starts with a capital letter and contains atleast 1 vowel?
not clear is it since we don't know if the capitals are consonants or vowels or mixed. weird problem
A capitol letter can be either a vowel or a consonant.
you can consider capital letters as symbols.
So does the requirement of 1 vowel include the possibility for the capitol letter to be a vowel, or not?
Are you familiar with the permutation formula?
There is no relation of a symbol with vowels and consonants. All of the 3 are different types with no relation between them.
How many ways can you pick the first letter first of all?
well..i tried to solve it like by total words starting with capital minus words starting with capital containing no vowels.