Math, asked by AkhilAitha7802, 1 year ago

English alphabet has 5 vowels and 21 consonants. how many 4 letters words with two different vowels and two differnet consonants can be formed without repetitionof letters

Answers

Answered by karthik413477

2

5c2×21c2=(5×4/2)(21×20/2)=2100

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