Optical Illusion: Today’s optical illusion is a special one for math overs. No, we didn't find you the solution for the hardest math problem or we won’t be asking you to solve the hardest problem or ...

Most visitors to restaurants arrive in even-numbered groups: a table for two, table for four. Most appetizer nibbles at restaurants arrive in odd numbers: five fritters, nine slices of crudo, three ...

This trivia challenges your ability to perceive what is part of a group and what is not, based on a pattern, functionality, or characteristic. Whether you are an ace at identifying things out of place ...