How many words of length 8 can you form, which contain exactly one vowel?
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not a single such word can be formed
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Answer:
How many words of length 10 can you form, which contain exactly one vowel?
Step-by-step explanation:
The answer is 217×8×(51). This is because we can choose one vowel in (51) ways. The other 7 can be filled with 21 letters(consonants) with repitition. The 8 accounts for the permutations of the vowels and consonants.
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