Maximum two-digit integers mentally solved by a child
The record for mentally solving the maximum number of two-digit integers was set by Prachi Sahu (born on December 4, 2012) of Champa, Chhattisgarh. She mentally solved 125 two-digit positive and negative integers flashing on the screen and provided the correct answer in 2 minutes and 32 seconds (under the guidance of ‘The Maths Planet’ Training Academy), at the age of 11 years, 11 months and 18 days, as confirmed on November 22, 2024.
