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AMC 10 2021b Problem 22

  • Paper

Ang, Ben, and Jasmin each have 55 blocks, colored red, blue, yellow, white, and green; and there are 55 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 33 blocks all of the same color is mn\frac{m}{n}, where mm and nn are relatively prime positive integers. What is m+n?m + n ? (A) 47(B) 94(C) 227(D) 471(E) 542\textbf{(A)} ~47 \textbf{(B)} ~94 \textbf{(C)} ~227 \textbf{(D)} ~471 \textbf{(E)} ~542

Dataset text NuminaMath-1.5. Quoted with source.

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471

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