The English alphabet has 5 vowels and 21 consonantsthe words are formed by choosing 3 vowels and 3 consonants how many such words can be formed?
zeborg:
Is the answer 720?
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Answered by
1
repatation is allowed 21×21×21×5×5×5
1157625 words
repatation is not allowed 21×20×19×5×4×3=478800
1157625 words
repatation is not allowed 21×20×19×5×4×3=478800
Answered by
0
if repeatation is allowed, number of words = 26×26×26×26×26×26 = 26^6
if repeatation is not allowed, number of words = 26×25×24×23×22×21
if repeatation is not allowed, number of words = 26×25×24×23×22×21
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