Lemma
MediumPermutations & combinations
AQuA-RAT train #12008 · Combinatorics · Permutations & combinations

In how many ways can Ann, Bob, Chuck, Don and Ed be…

In how many ways can Ann, Bob, Chuck, Don and Ed be seated in a row such that Ann and chuck are not seated next to each other?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #12008

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