perplexus.info :: Probability : Roll a unit

Roll a unit (Posted on 2019-11-06)

A cube with edge length 7 units is painted on all faces. It is then cut into 7³ unit cubes. These cubes are put in a bag, one is chosen at random and rolled.

What is the probability the side that faces up is painted?

See The Solution Submitted by Jer

Rating: 2.3333 (3 votes)

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Subject	Author	Date
re: In-the-head solution (spoiler)	Latifah Curry	2021-08-07 09:18:53
soln	Steven Lord	2019-11-06 10:32:01
In-the-head solution (spoiler)	Charlie	2019-11-06 10:31:12

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