Rapid addition of maximum single digit numbers by a child
The record for performing rapid addition of the maximum number of single digit numbers was set by Swanand Rajkumar Bhore (born on June 24, 2010) of Pune, Maharashtra. He performed rapid addition of 600 single digit numbers flashing on the screen with a speed of 0.3 seconds at the age of 11 years, 7 months and 12 days, as confirmed on February 5, 2022.