Mensa's Most Difficult Maths Tests Prove Your Arithmetic Prowess by Solving the Toughest Numerical Puzzles

This book consists of 200 difficult puzzles of a variety of different types focussing on maths and numerical reasoning. Questions include mathematical grid puzzles such as killer Sudoku and numerical crosswords, as well as maths-based logic and pattern puzzles. Puzzle artworks and full-colour illustrations are included throughout.