Question:
Two people are in a barn. Ten cats follow them in. How many feet are in the barn now?
Answer:
There are four feet in the barn, cats have paws, not feet.
Try another Brain Teaser:
Take a look at all these numbers: 66, 22, 99, 33, 44, 55. What number greater than 1 can be divided into all these numbers without leaving a remainder?