Maximum two-digit sums added orally and answered by a child in five minutes

The record for orally adding the maximum number of two-digit sums and answering in five minutes was set by Mudit Sharma (born on May 14, 2018) of Gurugram, Haryana. He orally added and accurately answered 61 sums (2-digit numbers added to 2-digit numbers) in five minutes by viewing the sums on a sheet of paper, at the age of 7 years, 7 months and 1 day, as confirmed on December 15, 2025.