Free GMAT Practice Question

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ID: GMAT-QR-PS-059
Section: Quantitative Reasoning - Problem Solving (PS)
Topic: Probability
Difficulty level: Hard

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Four friends — Anush, Beatriz, Chidi and Dae-ho — each signed up for exactly one of five workshops. Each friend chose independently, and for each friend the five workshops were equally likely. What is the probability that exactly two of the four friends chose the same workshop as each other, while each of the other two friends chose a workshop that none of the other three chose?

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