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Eggalicious (Posted on 2002-07-05) Difficulty: 2 of 5
You have to boil a single egg for exactly nine minutes.

All you have are two hourglasses, able to measure (in sand) seven and four minutes, respectively.

How quickly, using only these two hourglasses, can you boil an egg?

See The Solution Submitted by qball    
Rating: 2.7857 (14 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionSolutionK Sengupta2007-05-28 13:43:25
Solutionyou're all wrong...Steven Lu2004-12-30 16:08:39
The correct solution (simple and elegant)kowalski2004-08-08 20:54:49
The correct solutionKeith Jones2002-12-10 10:32:16
SOLUTION FOR EGGALICIOUSchristopher hii2002-07-12 03:18:52
re: 16 minute queryTomM2002-07-11 12:01:34
16 minute queryDulanjana2002-07-11 04:33:35
re(3): Solution:TomM2002-07-09 08:34:51
re(2): Solution:levik2002-07-09 08:06:00
re: Solution:G. Steve Arnold2002-07-09 07:53:36
SolutionTwo SolutionsYour Mom2002-07-09 07:52:22
SolutionSolution:G. Steve Arnold2002-07-09 07:44:56
re(2): try..Rupert2002-07-09 07:03:09
Some ThoughtsWhoopsDulanjana2002-07-08 06:02:24
SolutionSolutionDulanjana2002-07-08 05:59:18
READ this not the one belowqball2002-07-06 23:23:32
jeremyqball2002-07-06 23:22:34
No Subjectjeremy2002-07-06 20:28:43
Solutionre: try..TomM2002-07-05 12:51:08
Some Thoughtstry..Cheradenine2002-07-05 07:18:06
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