The record for being the fastest to mentally add 10 sequences of consecutive numbers was set by Sagi Suraj Varma (born on February 4, 2017) of Hyderabad, Telangana. He mentally added and provided answers to 10 sequences of consecutive numbers (each sequence consisting of 10 consecutive numbers) in 58 seconds, at the age of 7 years, 5 months and 1 day.