Maximum single-digit addition and subtraction sums solved in 5 minutes by a kid
The record for solving the maximum number of single-digit addition and subtraction sums was set by Hridaan Rohan Kulkarni (born on January 31, 2020) of Pune, Maharashtra. He mentally added and subtracted 76 single-digit sums (consisting of 38 addition and 38 subtraction) non-stop in 5 minutes and answered all questions correctly, at the age of 5 years, 2 months and 28 days, as confirmed on April 28, 2025
