Maximum arithmetic sums solved by child while writing ambidextrously
The record for solving the maximum number of arithmetic sums while writing ambidextrously was set by Om Dey (born on December 16, 2017) of Murshidabad, West Bengal. He mentally solved and answered 10 addition and 13 subtraction sums while simultaneously writing 26 letters of the English Alphabet ambidextrously (using both hands) on a sheet of paper with a pencil, at the age of 7 years, 2 months and 13 days, as confirmed on March 1, 2025.
