Lemma
MediumPermutations & combinations
AQuA-RAT train #52804 · Combinatorics · Permutations & combinations

A committee of three people is to be chosen from four married…

A committee of three people is to be chosen from four married couples. What is the number of different committees that can be chosen if two people who are married to each other cannot both serve on the committee?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #52804

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