Giant Book of Mensa Mind Challenges and Giant Book of Challenging Thinking Puzzles: Two Books in One
Pit your wits against Mensa's masterminds with this huge collection of brain teasers. This book contains more than 500 puzzles and tests of all kinds to delight and bamboozle every type of puzzler.
Designed by three puzzle-book pros and Mensa members, this book is packed with questions that test kids' brains to the limit...and show them that problem solving = a lot of fun!
No fewer than 1001 mind-bending puzzles have been specially created for this book. From quick puzzles that will take a couple of minutes to logic problems that will need hours of work, each puzzle is graded into three levels of difficulty.
How well do you think logically? Find out with these puzzles. But don't forget the degree of difficulty increases as you go.
This book of logic and number puzzles will help you do just that. A collaboration between Mensa and AARP, it is packed with brain teasers to exercise your mind and keep yourself sharp.
From puzzle master David Millar and American Mensa comes puzzles, riddles, and logic games to fine-tune your skills, while simultaneously helping your mental health by improving concentration, creativity, memory, reasoning, and problem ...
Test your mental mettle with hundreds of puzzles from Mensa—the high IQ society.
This book can be used and appreciated by anyone who wants to keep their mind sharp and in tip-top shape—something absolutely everyone will benefit from.
X X X X 5 X X X 7 X 70 This puzzle is a variation of the game nim , named by Harvard mathematics professor Charles Bouton in 1901 . Mathemagician Martin Gardner discusses a version of the game in his book Entertaining Mathematical ...