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 ...
Word searches are among the most popular puzzles, along with crosswords and Sudoku. Each consists of a square arrangement of letters that hides actual words among the seemingly random letters. The ...