The number of 3-letter code words that can be formed from the vowels a, e, i, o, and u are 60.
They are know to be a form of an abbreviation that may contain 3 letter words. The International Air Transport Association's (IATA) Location Identifier is said to have a unique 3-letter code that are used in aviation and in such as J F K that stands for New York's John F.
In the above question, note that the vowels are 5 vowels which are A,E,I,O,U.
When there is no repetition. the 3-Letter code can be found by Selecting and Averaging 3.
⇒ 5 [tex]P_3[/tex]
⇒ 2/5
⇒5×4×3 = 60
Therefore is 60 Ways are possible to form a 3 Letter code.
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