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The outside of a cube is painted blue. It is then divided into 27 equally sized smaller cubes (like a Rubik's cube). If a smaller cube is selected at random and thrown on the floor what is the probability that all five visible faces are NOT blue?
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Operations and Research Assistant

Interviewed at Jane Street

4.4
May 21, 2014

The outside of a cube is painted blue. It is then divided into 27 equally sized smaller cubes (like a Rubik's cube). If a smaller cube is selected at random and thrown on the floor what is the probability that all five visible faces are NOT blue?

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