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 ...

As an academic discipline, logic is the study of reasoning. Logic puzzles, therefore, involve solving problems by making a ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When 2D puzzles are no longer exciting, 3D brain teasers are the way. These handheld puzzles require ...

First, we will understand that in this ball series puzzle, the digits are represented in binary format where a ball is 1 and a ring is 0. As you may notice that figures (b) and (c) have already once ...