Thinking:

Creative Problem Solving

Puzzles, Brain-Teasers and Exercises

Solutions and Answers

Systems Thinking

Who Owns Zebra

Norwegian drinks water. The Japanese owns the zebra.

Thinking Outside the Box

The Nine Dots

The Six Matchsticks

Lateral Thinking

The Bicycles and the Fly

The two bicycles will meet in exactly one hour. So, the fly will have gone 15 miles.

Challenging Assumptions

Relatives

The doctor in London was a woman doctor – so she was the sister, not the brother, of the lawyer in Manchester.

Bottled Money

Push the cork into the bottle, and shake out the coin.

The Restaurant Meal

One of the women is the grandmother, and her two daughters are the mothers of the other four daughters. So there are 7 of them altogether.