Lemma
MediumPermutations & combinations
AQuA-RAT train #22589 · Combinatorics · Permutations & combinations

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

A committee of four people is to be chosen from five 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 #22589

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