Lemma
MediumPermutations & combinations
AQuA-RAT train #15297 · Combinatorics · Permutations & combinations

A committee of 3 people is to be chosen from the chairman…

A committee of 3 people is to be chosen from the chairman and vice chairman of four different companies. What is the number of different committees that can be chosen if two people who work for the same company cannot both serve on the committee?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #15297

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