The record for being the fastest to solve 50 arithmetic sums was set by Zunairah Aayan Farooqui (born on September 1, 2012) of Thane, Maharashtra. She solved 50 arithmetic sums, consisting of 10 addition and subtraction sums, 20 multiplication sums and 20 division sums, in 1 minute, 47 seconds and 94 milliseconds, on a sheet of paper, using the Abacus technique, at the age of 13 years and 10 months, as confirmed on July 1, 2026.
