Lemma
MediumPermutations & combinations
AQuA-RAT train #93787 · Combinatorics · Permutations & combinations

A committee of three people is to be chosen from four teacher-student…

A committee of three people is to be chosen from four teacher-student pairs. 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 #93787

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