The Most Popular Tasks and Puzzles. Train Your Mind, Memory, and Ingenuity!

This collection includes original puzzles that are different from trivial educational tasks – solving them will require not only knowledge of mathematical formulas but also all your wits and cognitive potential. You will significantly enrich your repository of clever mathematical tricks that are also useful for solving everyday problems. With this book, you will embark on a journey of unconventional solutions that develop your mind, memory, attention, logic, and ingenuity. Be careful: sometimes, in the search for a catch hidden in the problem's conditions, it is so easy to miss the correct answer that lies on the surface! Join puzzle enthusiasts – seek unconventional paths to solutions and solve them all!