Lemma
MediumCounting & chance
AQuA-RAT train #25688 · Probability · Counting & chance

Circles X and Y are concentric

Circles X and Y are concentric. If the radius of circle X is four times that of circle Y, what is the probability that a point selected inside circle X at random will be outside circle Y?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #25688

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