Tough Topology Problems & Other Puzzles (Mastermind Collection)

Colorful geometrical pentagors, composed of pentagons and triangles and dissected into pieces: Can you put the shapes together again to form a whole? A classic paradox about the nature of motion from a famous Greek mathematician: Can you see what’s wrong with it?  Put on your thinking cap and prepare to give your math and logic abilities a workout, because these super-looking puzzles demand real brainpower. Solve a graphic problem that involves the calculation of a square root. Examine six linear processions of egg-carrying ants, and figure out which lines are “surprising” and which ones aren’t. Go step by step through a multihued grid and try to find 32 different configurations within. These puzzles are challenging, entertaining, and satisfying to unravel.

• Cunning Combination Problems & Other Puzzles (Mastermind Collection)
• The Monty Hall Problem & Other Puzzles (Mastermind Collection)
• Peerless Probability Problems & Other Puzzles (Mastermind Collection)
• Knotty Number Problems & Other Puzzles (Mastermind Collection)
• Loopy Logic Problems and Other Puzzles (Dover Recreational Math)
• Perplexing Pattern Problems & Other Puzzles (Mastermind Collection)
• The Shoelace Problem & Other Puzzles (Mastermind Collection)
• The Puzzle Universe: A History of Mathematics in 315 Puzzles
• Brain-Flexing Balance Problems & Other Puzzles (Mastermind Collection)
• 1,000 Playthinks: Puzzles, Paradoxes, Illusions & Games