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 ...

Wordle is a daily online word puzzle that tasks players with deducing a hidden five-letter word through logic and process of ...

Connections is a daily word-association puzzle from The New York Times in which players are given a set of 16 words and ...

Brain teasers are a fun way to test one's thinking skills. These puzzles give the brain a quick workout. A recent challenge that went viral online has math lovers excited. The puzzle asks users to ...