Lemma
MediumPermutations & combinations
AQuA-RAT train #21770 · Combinatorics · Permutations & combinations

A military commander has to choose 6 soldiers out of a company…

A military commander has to choose 6 soldiers out of a company of 9 for guarding the headquarters. How many different group combinations of 6 does he have to choose from?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #21770

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