perplexus.info :: Probability : Using Cards as Dice

Using Cards as Dice (Posted on 2004-08-09)

A deck of nine cards can be numbered, so that the sum of the numbers on a randomly chosen pair of cards totals to an integer from 2 to 12 with the same frequency as rolling two standard dice. What are the numbers on the nine cards?

See The Solution Submitted by Brian Smith

Rating: 2.7500 (4 votes)

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| Comment 1 of 9

This doesn't seem possible at first glance, as you can't make fractions of 36 and fractions of 81 equal to each other?

Posted by Nick Williams on 2004-08-09 09:02:09

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