World Record: Fastest Mental Calculation of 10 Two-Digit Multiplication Problems - Zhu Yelei

Mr. Zhu Yelei from Fujin City, Heilongjiang Province, China, is the fastest person in the world to mentally solve 10 multiplication questions of any two-digit numbers. On September 1, 2023, he performed a live mental calculation demonstration at the Jiansanjiang Farming Community, completing the 10 multiplication questions in a total time of 59 seconds with 100% accuracy. This achievement has been recognized by the World Record Association as the "fastest person in the world to mentally solve 10 multiplication questions of any two-digit numbers".