An easy GMAT Permutation Combination Problem Solving practice question. 600 level quesiton.
Concept: Permutation. Rearranging letters of a word with a constraint.
In how many ways can the letters of the word ABACUS be rearranged such that the vowels always appear together?
B. 3! * 3!
C. 4! / 2!
D. (4! * 3!)/2!
E. (3! * 3!)/2!
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