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*

**It's All About Time**

**1. **At what time after 4pm are the minute and hour and second hand of a standard clock perfectly aligned on top of each other?

**2. **How many times does a coin rotate in rolling completely about another coin, of the same size, without slipping?

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

**1. **4:21 and 21 seconds

**2. **Twice