Mathematical puzzles make up an integral part of recreational mathematics. They have specific rules, but they do not usually involve competition between...

study of puzzles is called enigmatology. Puzzles are often created to be a form of entertainment but they can also arise from serious mathematical or logical...

The 17-animal inheritance puzzle is a mathematical puzzle involving unequal but fair allocation of indivisible goods, usually stated in terms of inheritance...

A logic puzzle is a puzzle deriving from the mathematical field of deduction. The logic puzzle was first produced by Charles Lutwidge Dodgson, who is better...

The nine dots puzzle is a mathematical puzzle whose task is to connect nine squarely arranged points with a pen by four (or fewer) straight lines without...

this field require no knowledge of advanced mathematics. Recreational mathematics involves mathematical puzzles and games, often appealing to children and...

and sometimes pluralized as Towers, or simply pyramid puzzle) is a mathematical game or puzzle consisting of three rods and a number of disks of various...

A balance puzzle is a mathematical puzzle which challenges the solver to distribute a subset of numbers so that the several sides of a stylized diagram...

solving puzzles inspired by recent developments in mathematical research PEA Puzzle Hunt, a puzzle hunt at Phillips Exeter Academy Puzzlepalooza, a puzzle hunt...

who specialised in logic puzzles and mathematical games. He is known as one of the foremost creators of mathematical puzzles. Dudeney was born in the...

Tumbler Puzzle, also known as the Ten Billion Barrel in English and originally tenbirion (テンビリオン) in Japanese, is a mathematical and mechanical puzzle. It...

utilities problem, also known as water, gas and electricity, is a mathematical puzzle that asks for non-crossing connections to be drawn between three...

Curious Village, the 130th puzzle: "Too Many Queens 5" (クイーンの問題5) is an eight queens puzzle. Mathematical game Mathematical puzzle No-three-in-line problem...

Lock puzzle Logic puzzle Magic square Mahjong solitaire Matchstick puzzle Mathematical puzzle Merkle's Puzzles Minus Cube Morpion solitaire N-puzzle National...

String girdling Earth is a mathematical puzzle with a counterintuitive solution. In a version of this puzzle, string is tightly wrapped around the equator...

Disentanglement puzzles (also called entanglement puzzles, tanglement puzzles, tavern puzzles or topological puzzles) are a type or group of mechanical puzzle that...

A combination puzzle, also known as a sequential move puzzle, is a puzzle which consists of a set of pieces which can be manipulated into different combinations...

certain shapes. Mathematics portal Tangram (video game) Egg of Columbus (tangram puzzle) Mathematical puzzle Ostomachion Tiling puzzle Attribute blocks...

Puzzles (ISBN 0-486-22011-7) Mathematical Puzzles of Sam Loyd (ISBN 0-486-20498-7): selected and edited by Martin Gardner More Mathematical Puzzles of...

pouring puzzles (also called water jug problems, decanting problems, measuring puzzles, or Die Hard with a Vengeance puzzles) are a class of puzzle involving...

This is a list of puzzles that cannot be solved. An impossible puzzle is a puzzle that cannot be resolved, either due to lack of sufficient information...

known as an escape game, puzzle room, exit game, or riddle room, is a game in which a team of players discover clues, solve puzzles, and accomplish tasks...

[citation needed] Mathematical games differ sharply from mathematical puzzles in that mathematical puzzles require specific mathematical expertise to complete...

cryptarithmetic, cryptarithm or word addition, is a type of mathematical game consisting of a mathematical equation among unknown numbers, whose digits are represented...

The 15 puzzle (also called Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square and more) is a sliding puzzle. It has 15 square tiles numbered 1 to...

In recreational mathematics, rope-burning puzzles are a class of mathematical puzzle in which one is given lengths of rope, fuse cord, or shoelace that...

Four fours is a mathematical puzzle, the goal of which is to find the simplest mathematical expression for every whole number from 0 to some maximum,...

to achieve some specific other arrangement. The puzzles may ask the solver to alter some mathematical equation, often with numbers represented as Roman...

Scientific American book of Mathematical Puzzles and Diversions, New York: Simon and Schuster Jacobs, Harold R. (1970), Mathematics / A Human Endeavor, W.H...

his invention of the mathematical puzzle Eternity. Early on in his public speaking career topics centred on his mathematical puzzle and conservative politics...