Answer:
There are 20 birds in a tree. A man comes and shoots one of the birds. How many birds are left?
Mary gets in the shower, but surprisingly her hair is not wet when she gets out. How is this possible?
A boy throws a baseball. It travels 40 feet and then goes right back to the boy. How is that possible?
In 1990, a person is 15 years old. In 1995 that same person is 10 years old. How is this possible?
What is the building that you leave without ever having entered.
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright