Maximum three-digit addition sums solved mentally by a kid in 5 minutes
The record for mentally solving the maximum number of three-digit addition sums in 5 minutes was set by Sriyaan Arun (born on February 12, 2018) of Bengaluru, Karnataka. He mentally added and answered 66 three-digit sums (of 2 rows) in 5 minutes, at the age of 6 years,11 months and 26 days, as confirmed on February 7, 2025.




