AQuA-RAT train #71187 · Combinatorics · Permutations & combinations
In how many ways can the letters of word DIRECTION be arranged…
In how many ways can the letters of word DIRECTION be arranged such that NO two vowels appear together?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #71187
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