The record for being the fastest to solve 100 single and double-digit addition sums using paper and pencil was set by Rithanya R. (born on September 6, 2018) of Rajapalayam, Tamil Nadu. She solved 100 single and double-digit addition sums in 3 minutes and 20 seconds, using paper and pencil, at the age of 5 years, 8 months and 15 days.