Right Triangles: One angle is 90 degrees, and additional information is provided. Let's explore how to solve each of these ...

Counting will get you nowhere. Try a little combinatorics instead. By Kenneth Chang A couple of weeks ago, I wrote about a viral math problem — 8÷2(2+2) = ? — that drew the disdain of many ...

Corresponding sides are proportional. This implies that the ratio of the length of side DE to side AB is equal to the ratio of the length of side EF to side BC, and also equal to the ratio of the ...

It involves just six matches, but this puzzle is anything but easy to solve. The Growing Triangles puzzle asks users to transform two triangles made from six matches into four triangles, by moving ...

It's important to keep your mind active throughout the day – and one way to achieve this is by challenging yourself to a brainteaser. To test your brain power, Wizeprep has taken to social media to ...