Riddle of the Sphinx: Super Math Logic Game

Author: (USA) Gardner
Publisher:
Publish Date: 2004-05-01
Features: Brilliant math games that challenge your thinking and reasoning skills! Let people aged 10 to 99 who dislike math fall in love with math from now on! Why didn’t I notice such an interesting book about math when I was studying? Strangely enough, the numbers on my report card always hovered between the units and tens place, yet I ended up reading this book—probably because of its cover! It’s light and cute, making it seem like an interesting book. A bank teller, who was a bit clueless, made a mistake when cashing Mr. Brown’s check. He gave the wrong amount for the yuan part and vice versa for the fen part. After leaving the bank, Brown bought a 5-fen newspaper and realized that the money he had left was double the original check amount. How much was the check?
Brilliant math games that challenge your thinking and reasoning skills! Martin Gardner was born in 1914 and was a renowned writer for the "Mathematical Games" column in Scientific American. The column ran for 25 years and remained consistently popular and influential. Gardner was a trained thinker, scientist, and prolific writer, with dozens of works on mathematical reasoning, including The Art of Mentoring and Aha! Insight.