Lemma
MediumPermutations & combinations
AQuA-RAT train #26446 · Combinatorics · Permutations & combinations

How many ways can 5 different colored marbles be placed in 3…

How many ways can 5 different colored marbles be placed in 3 distinct pockets such that any pocket contains at least 1 marble?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #26446

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