1. A criminal is sentenced to death. Before his execution, he is allowed to make a statement. If his statement is false, he will be hanged, and if his statement is true, he will be drowned. What should he say to confuse the jury and thus save his life?
2. Kevin is older than Trevor but younger than Mike. Trevor is younger than Sam who is younger than Mike. Kevin is younger than Sam. Who is the oldest?
3. What leaves the mouth resounding fresh, but is not a scent or object?
The Art Of Optical Illusions