Lemma
MediumPermutations & combinations
AQuA-RAT train #62495 · Combinatorics · Permutations & combinations

John must arrange 3 different physics books and 5 different mathematics books…

John must arrange 3 different physics books and 5 different mathematics books on one shelf. If the first book on the leftmost side is a mathematics book and no physics book is next to another physics book. How many different arrangements exist?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #62495

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