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The noted expert selects 70 of his favorite "short" puzzles, including such mind-bogglers as The Returning Explorer, The Mutilated Chessboard, Scrambled Box Tops, and dozens more involving logic and basic math. Solutions included.
Give your brain a workout on the type of brainteasers that challenge the best solvers at the World Puzzle Championships. They're tough, but fun, and the feeling of satisfaction you get when you succeed is simply unbeatable. Some of the puzzles are oldies but goodies, like battleships--and its many variants--where you search for a fleet hidden within a grid. In "Eminent Domain," try to determine which blanks cells are owned by the numbered ones. For "Hex Loops," locate a path that travels through adjacent hexagons: the trick is, it has to end where it started, and the lines can't touch or cross. From Snaky Tiles to Spiral Galaxies, these Mensa-level conundrums will get your mind in shape.
Logic, math, and fun come all wrapped up in one tricky puzzle package. Each little story gives you just enough information to determine what's bigger, who weighs more, how much gets sold, and lots of other confounding braintwisters. To make it just a little easier, every puzzle has a chart to help you organize and work out the all facts in your possession.
A lively and engaging look at logic puzzles and their role in mathematics, philosophy, and recreation Logic puzzles were first introduced to the public by Lewis Carroll in the late nineteenth century and have been popular ever since. Games like Sudoku and Mastermind are fun and engrossing recreational activities, but they also share deep foundations in mathematical logic and are worthy of serious intellectual inquiry. Games for Your Mind explores the history and future of logic puzzles while enabling you to test your skill against a variety of puzzles yourself. In this informative and entertaining book, Jason Rosenhouse begins by introducing readers to logic and logic puzzles and goes on to reveal the rich history of these puzzles. He shows how Carroll's puzzles presented Aristotelian logic as a game for children, yet also informed his scholarly work on logic. He reveals how another pioneer of logic puzzles, Raymond Smullyan, drew on classic puzzles about liars and truthtellers to illustrate Kurt Gödel's theorems and illuminate profound questions in mathematical logic. Rosenhouse then presents a new vision for the future of logic puzzles based on nonclassical logic, which is used today in computer science and automated reasoning to manipulate large and sometimes contradictory sets of data. Featuring a wealth of sample puzzles ranging from simple to extremely challenging, this lively and engaging book brings together many of the most ingenious puzzles ever devised, including the "Hardest Logic Puzzle Ever," metapuzzles, paradoxes, and the logic puzzles in detective stories.
Make math fun with amazing brain-teasing puzzles! Hours of enjoyment while developing critical thinking skills. Developing critical thinking skills has never been more fun with Train Your Brain: Math Games. Kids will be introduced to math principles through engaging and entertaining mind-bending activities! OVER 50 BRAIN-TEASING PUZZLES: Hours of activities to enjoy! GAMES FOR EVERY BRAIN: Offering a wide variety of puzzles and brain twisters, including word problems, number puzzles, sequence challenges, matching puzzles, grid games, and more! ANSWER KEY: Solutions to every puzzle are provided in the back of the book. SERIES FUN: Collect all titles in this brand-new series with Train Your Brain: Logic Games and more to come!
"These visually unique braintwisters will put your puzzle-solving abilities to the ultimate test!"--Page 4 of cover.
A great way to have fun and build brain power, Brain Teasers offers a variety of games to delight and challenge even the most advanced puzzler. Brain Teasers shows off some outrageously fun new mindbenders, like anasearches (a combination of an anagram, a crossword, and a word search), numberlockers (think of a crossword puzzle with numbers instead of words), and alphabetics (a miniature crossword puzzle that uses each letter of the alphabet exactly once). Perfect for anyone who sits down with the New York Times crossword puzzle every morning or works through Sudoku puzzles on the way home, this book is guaranteed to excite your mind and jump-start your brain.
Do you like to solve riddles, puzzles and brain teasers? Do you think outside the box? Are you creative? Do you like to be challenged? If you answer yes to any of these questions then this book is for you!In this book you will be captured by pirates, measure time through burning a rope, look at a 4-dimensional cube, be involved in a gun duel, decide how to cross a bridge, journey through a desert, play poker and be abducted by aliens! This book is a collection of 100+ riddles and brain teasers to test your mathematical intuition. They are mostly quantitative in nature with some logic puzzles to challenge your lateral thinking capabilities. Don't worry you do not have to be a math genius to attempt these, just some standard mathematical knowledge is enough to get you through. There is no word play or trick questions, these riddles come with definite and satisfying answers. Many of these puzzles have been asked by top blue chip companies for job applications and so they are good practice for technical interviews. There are hints provided to guide you if needed and a comprehensive solution for each answer. Bonus related material are also included which touches on a wide variety of interesting topics including physics, philosophy and paradoxes! This book is ideal for those aged 16+ with puzzles ranging from easy to hard difficulty. Even if you are a beginner level, it is a fun and exciting read, the solutions provided will challenge the way you think. It will also not disappoint in giving you those "aha" moments when you discover the solution to a problem. Puzzle books also have the added benefit of improving your overall brain activity, increasing your memory power, keeping you mentally sharp and raising your overall concentration levels.Are you ready to take on the Quant Riddles?
How well do you think logically? Find out with these puzzles. But don't forget the degree of difficulty increases as you go.
Boost your brain power and detox from the digital deluge with over 100 math and logic puzzles with the greatest riddle solver of all time, Sherlock Holmes. The mind-sharpening puzzles include monograms, which strengthen your deductive powers as you correctly fill in a grid to produce a picture; logic puzzles, which engage your deductive skills to figure out the rules of a maze; syllogisms, in which you are given a list of premises to figure out what can be deduced from them; and logic grid puzzles, in which a scenario is given and you fill out a matrix with the clues to deduce the solution. Each book in the Sherlock Puzzle series presents 100+ challenging cross-fitness brain exercises inspired by literature's most famous detective of all time, Sherlock Holmes, in popular brain game formats to get your digital detox started and your mind in shape. The games are not only entertaining, but also: Educate Improve IQ Improve cognitive ability Improve concentration Improve problem-solving skills