Maximum double-digit addition and subtraction sums solved by a kid

The record for solving the maximum number of double-digit addition and subtraction sums was set by Rivan Varun Puthanpurayil Velandy (born on January 1, 2020) of Thane, Maharashtra. He solved 70 double-digit addition and subtraction sums (of 3 rows each) on a sheet of paper in 4 minutes and 26 seconds, using a pen, at the age of 6 years, 1 month and 9 days, as confirmed on February 10, 2026.