Youngest to spell number names from 1-100
The record for being the youngest to spell number names from 1-100 was set by Ivaan Mantri (born on October 30, 2017) of Bengaluru, Karnataka. He spelt the number names from 1 to 100 correctly in 8 minutes and 50 seconds at the age of 3 years, 10 months and 24 days, as confirmed on September 23, 2021.