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Every month we will give you a math/statistics brain teaser that lets you test your knowledge with a fun problem.

This Month's Challenge: In a Circle

A number of children are standing in a circle. They are evenly spaced and the 6th child is directly opposite the 20th child. How many children are there altogether?

Click here for answer!

Many of the ideas in these Teasers come from thoughts formed by some of the great mathematical/statistical geniuses in history. To learn more about them and to take a fun quiz to find out which famous mathematician through history most interests you, try our Mathematicians' Quiz.

Or if you'd like more Math/Science fun you might want to try...

Dare to Compare
Now with both 4th and 8th grade level questions!