A brain teaser is a form of puzzle that requires thought to solve. It often requires thinking in unconventional ways with given constraints in mind; sometimes it also involves lateral thinking. Logic puzzles and riddles are specific types of brain teasers.

Today's Brain Teaser | Archive of all Teasers

Today's Brain Teaser | Archive of all Teasers

*The Brain Teaser: **Scroll Down for your Solution*

**1. **Three Points on a Hemisphere

Three points are selected at random on a sphere's surface. What is the probability that they all lie in the same hemisphere? Assume that the great circle, bordering a hemisphere, is part of the hemisphere.

**2.** I am a window, I am a lamp, I am clouded, I am shining, and I am colored; set in white, I fill with water and overflow. I say much, but I have no words. What am I?

Definition of solution - a means of solving a problem or dealing with a difficult situation. Our Free Brain Teaser Newsletter

**1. **The probability is 1 (complete certainty). Any three points on a sphere must be on a hemisphere..

**2.** An eye.