Challenge yourself at home with number puzzles If you relish a serious mental challenge, this collection of teasers will demand your very best lateral thinking skills and mathematical rigor to solve. But do not worry, full, detailed solutions are found at the back of the book so you can get into the head of these fiendish setters! These mental puzzles require serious application, imagination and skill to solve. Some demand a logical approach, others a methodical, mathematical mind. Detailed solutions are given at the back of the book. Now grab a pencil and get your thinking cap on!