A brain teaser is a type of riddle that makes one think outside the box. Some brain teasers are easy, some are a little harder, and some can make you ponder for a while.
Often, when you finally hear the answer, you feel ignorant or silly, because it should have been obvious to you. However, brain teasers are fun for young and old. In the brain teasers below, one must count the number of squares or triangles. Scroll down for the answers: