Lemma
MediumPermutations & combinations
AQuA-RAT train #21480 · Combinatorics · Permutations & combinations

In how many ways can an animal trainer arrange 5 lions and…

In how many ways can an animal trainer arrange 5 lions and 4 tigers in a row so that no two lions are together?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #21480

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