The answer to last week’s challenge is, Q: A man is sitting in his cabin in Sydney. Three hours later he gets out of his cabin in Melbourne. How is this possible?

A: The man is a pilot and he is sitting in his aircraft cabin.

This week’s challenge is:

Q: During World War II, the mathematician Abraham Wald was asked to help with determining which parts of the allied forces’ planes must be armored better. After examining the surviving American planes, he noticed that there were many holes in the fuselage, and very few in the engines. After careful thinking, he suggested that the armor on the engines must be improved. Why?

The answer along with a new challenge, next week.

For those with an interest in the future ….. Join us at this year’s International Conference on Thinking in Melbourne on July 4-8

Have an excellent weekend!