AQuA-RAT train #3796 · Combinatorics · Permutations & combinations
In how many different ways can the letters of the word 'OPTICAL'…
In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #3796
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