Lemma
MediumPermutations & combinations
AQuA-RAT train #35624 · Combinatorics · Permutations & combinations

If a choir consists of 5 boys and 7 girls, in how…

If a choir consists of 5 boys and 7 girls, in how many ways can the singers be arranged in a row, so that all the boys are together? Do not differentiate between arrangements that are obtained by swapping two boys or two girls.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #35624

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