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2021 AMC 10B Question 22

AMC10 · 2021 AMC 10B

Question 22

Ang, Ben, and Jasmin each have $5$ blocks, colored red, blue, yellow, white, and green; and there are $5$ empty boxes. Each of the people randomly and independently of the other two people places one of their blocks into each box. The probability that at least one box receives $3$ blocks all of the same color is $\frac{m}{n},$ where $m$ and $n$ are relatively prime positive integers. What is $m + n ?$
  1. $ 47 $
  2. $ 94 $
  3. $ 227 $
  4. $ 471 $
  5. $ 542 $