Lemma
MediumPermutations & combinations
AQuA-RAT train #77066 · Combinatorics · Permutations & combinations

A committee of two people is to be chosen from 5 married…

A committee of two people is to be chosen from 5 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 #77066

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