How smart are you? Take 22 fun and challenging tests and you'll know if your IQ is really super. Start with these: 1. In how many ways can you make change for $3.00, using combinations of only dimes and/or nickels? 2. Change one letter in each word below to make a new word. The five new letters, in order, form a word. What is this five-letter word?... [Read More]

Ranging from the challenging to the downright diabolical, these IQ tests from the puzzle editors of Mensa magazine stretch brainpower to the limits of its endurance. That’s why they’re so effective at adding vital points to your IQ score. All it takes is a little tenacity and practice to work through these hundreds of questions, which assess ve... [Read More]

Do you dare discover how smart you really are? If so, try out these twenty treacherous tests and see how you score! Each quiz has 20 problems that gauge mental flexibility and breadth of knowledge. Take an hour to find synonyms, make logical comparisons, complete equations, and tease out numerical progressions.