Skip to Navigation
Home
  • about Plus
  • support Plus
  • Plus sponsors
  • subscribe to Plus
  • terms of use

Reply to comment

Puzzle page

Submitted by plusadmin on December 1, 2008
December 2008

The coloured hat exam: hint

The optimal strategy involves each student noting whether or not the other two have hats of the same colour.

Return to the puzzle page
  • Add new comment

Reply

  • Web page addresses and e-mail addresses turn into links automatically.
  • Allowed HTML tags: <a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>
  • Lines and paragraphs break automatically.

More information about formatting options

By submitting this form, you accept the Mollom privacy policy.
  • Home
  • Articles
  • News
  • Packages
  • Podcasts
  • Puzzles
  • Reviews
Science fiction, science fact: reports from the frontiers of physics
What is time? What is space? Are there parallel universes? Join Plus and FQXi on a journey exploring these...
view
Support Plus
Make a difference to mathematics
view
The Abel Prize 2013
This year's Abel Prize has been awarded to the Belgian mathematician Pierre Deligne for "seminal...
view
Why you shouldn't use a toss for overtime
In soccer a coin toss is used to decide who goes first in a penalty shootout and similarly in American...
view
Researching the unknown
Science is much stranger than fiction. It suggests that our Universe may just be one of infinitely many which...
view

Login to comment or download PDFs

  • Create new account
  • Request new password
Syndicate content

Cambridge University logo