Here’s a classic brainteaser that I don’t like. What’s the next number in this sequence: 1, 11, 21, 1211, 111221, …? The answer is 312211, because each number describes the digits in the number that ...

In today’s picture puzzle, how many number 6s can you find in this image? In the above image, you can all see a young woman standing on a road holding a rectangular cardboard sign. Behind her, there ...

In the TV number quiz show Down for the Count, four contestants are challenged to combine each of five number cards exactly once to achieve a target number. They are allowed to use standard ...

Chaos reigned during my last visit to Cheese Louise, the local delicatessen. Two customers both claimed to have picked ticket number 6 from the machine that dispenses these to show who is next to be ...