2021 AMC 10B Problem 22AMC 10 Step by Step
Name: Date: September 13, 2026
Inclusion-Exclusion · difficulty 4 of 5 · about 8 min · position P21-25
Ang, Ben, and Jasmin each have blocks, colored red, blue, yellow, white, and green; and there are 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 blocks all of the same color is , where and are relatively prime positive integers. What is
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