Lemma
MediumCounting & chance
AQuA-RAT train #50117 · Probability · Counting & chance

20 people with two sisters among them want to sit around a…

20 people with two sisters among them want to sit around a round table such that the two sisters are exactly separated by one person sitting in between them. Find the probability.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #50117

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