Maximum double digit addition sums solved by a specially abled child
The record for solving the maximum number of double digit addition sums was set by Ashwin Baiju (born on February 19, 2013) of Thiruvananthapuram, Kerala. Being 60% specially abled intellectually (Autism), he correctly answered 12 double digit addition sums (each sum consisting of 3 rows) in 2 minutes and 50 seconds, using pen and paper, at the age of 9 years, 10 months and 21 days, as confirmed on January 9, 2023.