Bunuel wrote:
In how many ways can be letters of the word MULTIPLE be arranged keeping the position of each vowel fixed ?
A. 60
B. 90
C. 360
D. 1860
E. 3360
The consonants are M, L, T, P, L, and the vowels are U, I, E, we want to fix the vowels so we can only switch around the 5 consonants. There are 5 letters but two are duplicates, so do 5! first then divide by 2 to account for duplicates. 5!/2 = 60.
Ans: A
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