Lemma
MediumCounting & chance
AQuA-RAT train #22668 · Probability · Counting & chance

Tickets numbered 1 to 20 are mixed up and then a ticket…

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 4 or 15 ?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #22668

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