IQ tests present the readers with problems in the form of picture puzzles or math problems, and the reader needs to find the solution within a time limit. These simple puzzle games make the brain ...

One brain teaser that's currently stumping people involves fixing the equation shown below by making a small adjustment. This fun challenge is a great way to test both your math skills and creative ...

Math puzzles test readers' critical thinking skills by challenging them to solve problems. Math puzzles can boost analytical ...

Don't worry; you won't be throwing any darts for this puzzle. The aim of the game is to solve some simple math problems that will result in an answer between 1 and 20, then press the number on the ...

A quick math brain test. You need to discover the pattern and solve it fast before the 11 seconds finish. Try it now!

A young man lives in Manhattan near a subway express station. He is dating two women: one in Brooklyn; one in the Bronx. To visit the woman in Brooklyn he takes a train on the downtown side of the ...

Can you reverse 1-2-3-4 into 4-3-2-1 by moving just ONE person? Most people get stuck. Try it before scrolling.

Add Yahoo as a preferred source to see more of our stories on Google. Applied mathematicians use math to model real-world situations. Ariel Skelley/DigitalVision via Getty Images You can probably ...

A man walks down a down-moving escalator and reaches the bottom after taking 50 steps. As an experiment, he then runs up the same escalator, one step at a time, and reaches the top after taking 125 ...