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The prisoners and the beans (Posted on 2005-11-27) Difficulty: 3 of 5
Five prisoners are going to take beans from a bag with 100 beans. They will do it one prisoner at a time, and only once each. No communication is allowed between them, but they can count the beans left in the bag. All prisoners who end with the largest and the smallest number of beans will die.

Who is most likely to survive?

Assume:
1. they are all smart people.
2. they will try to survive first and then try to kill more people.
3. they do not need to take out all the 100 beans.

See The Solution Submitted by pcbouhid    
Rating: 3.8000 (15 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Some ThoughtsVery interesting.broll2016-06-18 06:22:29
AnswerK Sengupta2008-10-17 01:24:24
SolutionShort solutionGamer2008-10-16 20:44:55
Nice...Priya2008-10-16 04:51:57
Some ThoughtsI think...axf2007-02-05 05:13:23
solutionpaul2006-03-17 02:34:02
answerDean2005-12-10 01:08:18
re(5):(by pcbouhid):pcbouhid2005-12-09 06:29:28
re(4):(by pcbouhid):Eric2005-12-08 17:24:37
re(4):(by pcbouhid):Cory Taylor2005-12-08 13:27:43
re(3):(by pcbouhid):pcbouhid2005-12-08 06:38:57
re(2):(by pcbouhid):Eric2005-12-08 04:03:27
re(2):Cory Taylor2005-12-07 16:01:01
unknown orderMorgan2005-12-07 14:17:37
re:pcbouhid2005-12-07 13:24:51
re:Jer2005-12-07 09:41:45
"The Solution" is Unsatisfactorydopey9152005-12-07 09:03:18
re: trick question?pcbouhid2005-12-06 08:09:01
trick question?Dean2005-12-06 06:38:15
re: Contradiction in terms?Mindy Rodriguez2005-12-03 00:08:23
Contradiction in terms?Gamer2005-12-01 23:18:05
Some Thoughtsmagical fruitMindy Rodriguez2005-12-01 00:19:24
re: Assume that...Eric2005-11-30 20:22:03
Hints/TipsAssume that...pcbouhid2005-11-30 19:52:40
re(2): Prisoner's Dilemma DeluxeEric2005-11-30 19:22:50
re: Prisoner's Dilemma DeluxeJer2005-11-30 09:47:08
Prisoner's Dilemma DeluxeEric2005-11-30 02:00:36
ideasMorgan2005-11-29 18:52:10
re: Minor detail = no minor detailHugo2005-11-29 16:44:03
Minor detailPeter2005-11-29 16:30:27
SolutionSolution I Thinkdopey9152005-11-29 13:35:17
My two centsTristan2005-11-28 11:23:31
middle guymarc2005-11-28 07:59:23
Hints/TipsBeans?Matt Van Winkle2005-11-28 00:31:39
huh?Matt Van Winkle2005-11-28 00:18:10
No beans left -- Easier to read versionGamer2005-11-27 15:35:47
No beans left -- technical versionGamer2005-11-27 15:17:44
Hints/TipsSpoiled Beans for Bipartite GeeksMindy Rodriguez2005-11-27 13:02:05
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