Youngest to expeditiously recite backward counting from 100-0
The record for being the youngest to expeditiously recite backward counting from 100-0 was set by Alexandra Arun Kattakkayam (born on May 6, 2014) of Ernakulam, Kerala (now residing in Al Ain, United Arab Emirates). She recited backward counting from 100 to 0 in 38 seconds and 58 milliseconds at the age of 7 years and 10 months, as confirmed on April 4, 2022.