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How many four-character license plates consist of a consonant, followed by a vowel, followed by a consonant, and then a vowel? (For this problem, consider Y a vowel.)

 Jul 2, 2022
 #1
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6 vowels    20 consonants

 

Assuming we can  have repeats of vowels / consonants

 

(20) * (6) * (20) * (6)  = 

 

120 *  120  = 

 

14400  plates

 

 

cool cool cool

 Jul 2, 2022

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