The record for being the fastest to write the cube roots of 50 numbers was set by Anannya Abhay Tare (born on January 12, 2010) of Nagpur, Maharashtra. She wrote the cube roots of 50 random numbers (5 digits and 6 digits) in 5 minutes, 30 seconds and 80 milliseconds on a sheet of paper, using a pen, at the age of 14 years, 8 months and 16 days.