Maximum division sums solved by a child
The record for solving the maximum number of division sums was set by R. Harshan (born on September 9, 2015) of Krishnagiri, Tamil Nadu. He solved and correctly wrote the answers to 102 division sums (4-digit numbers divided by single-digit numbers) on a sheet of paper (with a pencil) in 4 minutes, 40 seconds and 91 milliseconds, using the Abacus technique, at the age of 10 years, 2 months and 17 days, as confirmed on November 26, 2025.
