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]

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.