- A72
- B720
- C36
- D144
Step-by-Step Solution
Vowels U and E go into 2 of the 3 odd places: . The 4 consonants fill the rest: . Total .
Answer: D) 144
In how many ways can the letters of NUMBER be arranged so that the vowels occupy only the odd positions (1st, 3rd, 5th)?
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