📅 NSB Round Robin 2009🎓 HS🔄 Round 17#️⃣ Question 18🌟 BONUS✍️ Short Answer
Cards numbered 1 through 10 lie on a table. If two cards are picked at random, without replacement, what is the probability, as a fraction in lowest terms, that the two cards will have values within one of each other?
✔️Answer:1/5
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