The record for mentally solving the maximum number of mathematical sums was set by Dheeran V. P. (born on June 25, 2021) of Chennai, Tamil Nadu. He mentally solved 40 mathematical sums (10 sums each of addition, subtraction, multiplication and division) and provided the correct answers orally in 52 seconds by hearing the sums, at the age of 4 years, 8 months and 27 days, as confirmed on March 24, 2026.




