Lemma
MediumPermutations & combinations
AQuA-RAT train #42008 · Combinatorics · Permutations & combinations

In how many ways can 10 people, A, B, C, D, E…

In how many ways can 10 people, A, B, C, D, E, F, G, H, I, J be seated in a row such that C and D are not seated next to each other as well as A and B are not seated next to each other?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #42008

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