Fastest child to rapidly add and subtract fifty single-digit numbers
The record for being the fastest to rapidly add and subtract fifty single-digit numbers was set by Laksh Kishanrao Chanchalwad (born on November 23, 2015) of Hingoli, Maharashtra. He rapidly added and subtracted 50 single-digit numbers flashing on the screen (with a speed of 0.5 seconds) in 25 seconds, at the age of 8 years, 8 months and 3 days, as confirmed on July 26, 2024.
