Maximum 5-digit multiplication sums solved by a teen in one minute
The record for solving the maximum number of 5-digit multiplication sums in one minute was set by Inayatulla Ayat Mulani (born on April 20, 2008) of Pune, Maharashtra. He mentally calculated and wrote the correct answers of 28 multiplication sums (5-digit numbers multiplied by a single digit number) on a sheet of paper in one minute, at the age of 14 years, 11 months and 16 days, as confirmed on April 5, 2023