Question 467690

A to F, total 6 letters where 2 vowels and 4 consonants.

Number of ways when vowel at first and one consonant at last: 2*4*4! = 192

similarly ,
number of ways when vowel at last and one consonant at first: 4*2*4! = 192


total number of ways = 192 + 192 = 384


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