Maximum two-digit addition sums answered orally by a child in five minutes blindfolded
The record for orally answering the maximum number of two-digit addition sums blindfolded in five minutes was set by Yuvraj Ruchandani (born on February 2, 2016) of Surat, Gujarat. He accurately answered orally 59 two-digit sums blindfolded in five minutes, at the age of 8 years, 7 months and 1 day, as confirmed on September 3, 2024.
