Introduction to Cognitive Science
A Logical Puzzle
Last Update: 21 February 2011
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Only one of the following is true about a particular hand of cards:
There is a King in the hand or there is an Ace in the hand, or both.
- There is a Queen in the hand or there is an Ace in the hand, or both.
- There is a Jack in the hand or there is a 10 in the hand, or both.
Question: Is it possible that there is an Ace in the hand?
Click here for the answer.
Text copyright © 2011 by William J. Rapaport
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