B. Pavan Sai (born on 18th October 1998) from Andhra Pradesh, India has calculated 6 Digit No. with 6 Digit No. without using any gadget in 1 Minute and 45 Seconds. The record was created in an event conducted by Wonderkidz Arithmetika at Dr.A.S.Rao Nagar, Hyderabad on 5th August 2012.
Unique ID: 2014MMW429