Lemma
MediumPermutations & combinations
AQuA-RAT train #25594 · Combinatorics · Permutations & combinations

In how many ways can 5 identical black balls and 7 identical…

In how many ways can 5 identical black balls and 7 identical white balls be arranged in a row so that no 2 black balls are together

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #25594

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