World Thinking Questions (Platinum Edition)

"World's Famous Thinking Questions" edited by Dounan has selected more than 600 challenging, interesting and scientific thinking questions, with varying degrees of difficulty. There are seemingly complex but simple reasoning questions, puzzling graphic problems, puzzles that are solved using arithmetic skills and common sense, and word puzzles composed of words and numbers. Regardless of whether you are an adult, a child, a student, an office worker, a manager, or even a genius with a high IQ, you can find a topic that suits you here. Each question can change your thinking ability in a subtle way, so that you can feel confident when you can answer it easily, you can feel perseverance when you are at a loss, and you can feel surprise when you are at a loss.