Codes with exactly one vowel
Using the 26 letters A–Z (with A, E, I, O, U as the vowels), how many 3-letter codes have no repeated letter and contain exactly one vowel?
Show hints (2)+
- Choose the vowel's position (3), then the vowel (5), then two distinct consonants in order.
- .
Answer
Reveal answer →Final answer
6300
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Asked at: Timed Mental-Math & Sequences, Game-Based Aptitude