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anishsaini10

  • 4 years ago

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?

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  1. anonymous
    • 4 years ago
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    not clear is it since we don't know if the capitals are consonants or vowels or mixed. weird problem

  2. polpak
    • 4 years ago
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    A capitol letter can be either a vowel or a consonant.

  3. anishsaini10
    • 4 years ago
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    you can consider capital letters as symbols.

  4. polpak
    • 4 years ago
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    So does the requirement of 1 vowel include the possibility for the capitol letter to be a vowel, or not?

  5. Dalvoron
    • 4 years ago
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    Are you familiar with the permutation formula?

  6. anishsaini10
    • 4 years ago
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    There is no relation of a symbol with vowels and consonants. All of the 3 are different types with no relation between them.

  7. Dalvoron
    • 4 years ago
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    How many ways can you pick the first letter first of all?

  8. anishsaini10
    • 4 years ago
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    in 7 ways

  9. anishsaini10
    • 4 years ago
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    well..i tried to solve it like by total words starting with capital minus words starting with capital containing no vowels.

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