101 Puzzles by Yakov Perelman..This book is a collection of puzzles that are very useful as mental exercises or as trainings for the ingenuity and resourcefulness of young mathematicians. However, the book does not contain mathematical puzzles only. It also contains puzzles in physics, geophysics and logic. There are also problems that are not related to any specific school subject but are very useful as exercises to prepare the mind for out-of-the box thinking
101 Puzzles by Yakov Perelman..This book is a collection of puzzles that are very useful as mental exercises or as trainings for the ingenuity and resourcefulness of young mathematicians. However, the book does not contain mathematical puzzles only. It also contains puzzles in physics, geophysics and logic. There are also problems that are not related to any specific school subject but are very useful as exercises to prepare the mind for out-of-the box thinking
