As an academic discipline, logic is the study of reasoning. Logic puzzles, therefore, involve solving problems by making a series of inferences and assessing these using reasoning. Sounds easy, right?

The following puzzle devised by Lewis Carroll is a classic one in puzzledom: A bag contains one counter, known to be either white or black. A white counter is put in, the bag shaken, and a counter ...

Discover 5 puzzles that strengthen memory, focus, and reasoning. From Sudoku to crosswords, these brain games help keep your mind sharp.