Lemma
MediumPermutations & combinations
AQuA-RAT train #6783 · Combinatorics · Permutations & combinations

In how many ways can you line up 7 wrestlers in a…

In how many ways can you line up 7 wrestlers in a row if one of them, The Undertaker, cannot be in the middle or at the either end?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #6783

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