Fastest to recall backwards 100 digits of Pi value blindfolded
The record for being the fastest to recall backwards 100 digits of Pi value blindfolded was set by Miraya Birla (born on October 24, 2013) of Chittorgarh, Rajasthan. She recited the Pi value of 100 digits backwards in 15.60 seconds while being blindfolded at the age of 8 years, 4 months and 1 day, as confirmed on February 25, 2022.