Beads on Circle Arrangement

1550AdeptPermutationsCombinatoricsCounting Principles

AMC 10B · 2008 · Problem 22

Three red beads, two white beads, and one blue bead are placed in line in random order. What is the probability that no two neighboring beads are the same color?

Answer choices

1/12

1/10

1/6

1/3

1/2

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