Mensa's Most Difficult Maths Tests: Prove your arithmetic prowess by solving the toughest numerical puzzles

Product Description Mensa's Most Difficult Maths Tests provides an exceptional challenge for even the most adept of puzzlers. This full-colour book features a huge variety of numerical brainteasers that will test even the most mathematical of minds. With puzzles ranging from the familiar – such as kakuro and killer sudoku - to the exotic – such as sum skyscraper and calcudoku – this fiendish puzzle book will keep you entertained for hours. Are you up to the challenge? Book Description This book consists of 200 difficult puzzles of a variety of different types all focussing on maths and numerical reasoning. Questions include both classic and bespoke mathematical logic and pattern puzzles. Puzzle artworks and full-colour illustrations are included throughout. About the Author Dr Gareth Moore is one of the world's leading puzzle-setters, with more than 750,000 book sales to his name. He is the author of more than 75 international brain-training titles including the bestselling puzzle book The Ordnance Survey Puzzle Book, which has sold more than 120,000 copies in the UK. He is also the creator of Brained Up, a cutting-edge brain training site offering scientifically designed daily sessions to help you make the most of your brain. Mensa is the largest and oldest high IQ society in the world. It is a non-profit organization open to people who score at the 98th percentile or higher on a standardized, supervised IQ or other approved intelligence test.