WWII Planes

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?

Abraham Wald realized that the holes should have been distributed more evenly across the planes. Therefore the planes which had more holes in the fuselage survived, while the planes which had more holes in the engines got destroyed.

Thank You!

A cowboy walks into a bar and asks the barman for a glass of water. The barman pulls out a gun instead and points it at the man. The man genuinely says “Thank you” and walks out.

What happened?

The cowboy had hiccups and needed water. The barman shocked him with his gun instead and that cured the hiccups.

Murder in a Car

The police found a murdered man in a car. The windows of the car were raised, the doors were locked, and the keys were inside, in the man’s hands. The man was shot several times with a gun, but there were no holes anywhere on the car. How is this possible?

The car was convertible, with the top retracted back.