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The Remaining Digits (Posted on 2005-08-04) Difficulty: 2 of 5
I have a bag containing the digits 0 through 9, and used six of them to stick two different three-digit perfect squares on the foreheads of Paul and George. Both Paul and George know this fact, but each one can see only the other's number.

I ask Paul, "How many of the digits remaining in my bag can you exactly tell me?"

Paul replies, "Three."

If I now ask the same question to George, what should he reply?

See The Solution Submitted by pcbouhid    
Rating: 4.3333 (6 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: my solutionsaprom2005-12-21 20:58:53
my solutiontrgnllyrntsrhc2005-09-01 07:42:46
No Subjecttrgnllyrntsrhc2005-09-01 07:25:45
EnlightenedJohn2005-08-26 17:30:21
re: PallindromesPercy2005-08-19 07:13:28
PallindromesPercy2005-08-18 23:46:45
No SubjectJud2005-08-11 11:33:57
solutionriten2005-08-08 17:52:06
re: Conditional solutionpcbouhid2005-08-08 11:04:54
Conditional solutionAvinash Narain2005-08-08 10:13:49
re(2): solution?Lia2005-08-05 23:23:00
Solutionlightbulbscott2005-08-05 13:48:25
re: solution?Nosher2005-08-05 04:26:47
solution?Lia2005-08-05 02:16:58
re(4): George's answerBob Smith2005-08-04 18:22:48
Solutionre(3): George's answerCharlie2005-08-04 18:15:04
QuestionJust logicBob Smith2005-08-04 18:13:15
re(2): George's answerBob Smith2005-08-04 18:08:11
re: George's answerCharlie2005-08-04 18:05:10
SolutionGeorge's answerBob Smith2005-08-04 18:02:53
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