Lemma
MediumCounting & chance
AQuA-RAT train #45909 · Probability · Counting & chance

If x is a randomly chosen integer between 1 and 20, inclusive…

If x is a randomly chosen integer between 1 and 20, inclusive, and y is a randomly chosen integer between 21 and 40, inclusive, what is the probability that xy is a multiple of 4?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #45909

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