The record for being the fastest kid to add 98 ‘five single digit’ numericals with 100 percent accuracy was set by Harsh Ankur Goel ((born on April 30, 2009) of Surat, Gujarat. He mentally solved all the 98 numericals in 2 minutes and 52 seconds at the young age of 10 years, 8 months and 30 days, as confirmed on January 29, 2020.