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?

Submitted by Brian Smith

Rating: 2.7500 (4 votes)

Solution: (Hide)

The 9 cards are numbered: 1/2, 3/2, 5/2, 5/2, 7/2, 9/2, 9/2, 11/2, 13/2.
Bon provides a good solution here.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
answer	K Sengupta	2007-11-16 04:57:53
Solution	nikki	2004-08-11 14:56:20
Sol	Bon	2004-08-09 19:34:22
General rules	Gamer	2004-08-09 18:28:07
re: WITH OR WITHOUT	SilverKnight	2004-08-09 11:59:33
WITH OR WITHOUT	Ady TZIDON	2004-08-09 11:46:20
ummm...	Thalamus	2004-08-09 10:46:35
re: Query	Charlie	2004-08-09 10:37:42
Query	Nick Williams	2004-08-09 09:02:09

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