Mathfactor

AJ. The Pop Quiz

AI. Census Taker's Puzzle

AK. Paradoxes and Liars

AL. Rumors and suckers

AM. Arrow's Theorem

AO. Choosing Balls from A Bag

AS. A Puzzle From Peter Winkler

AT. Peter Winkler Answers

AQ. The Principle of Indifference Redux

AR. Quick Game