Fastest Arithmetic Calculations

Tejasri Relangi (born on 2nd February 2005) from Andhra Pradesh, India calculated 20 sums of 4 digit / 2 digit divisions in 8 minutes 47 seconds, 20 sums of 3 digit x 3 digit multiplications in 4 minutes 54 seconds, 4 sums of adding up 10 rows of 9 digit numbers each in 3 minutes 53 seconds and 1 sum of 3 digit x 3 digit multiplication in flat 9 seconds. The event was conducted by Wonderkidz Arithmetika at the Press Club, Baseerbagh, and Hyderabad on 9th June 2012.

Unique ID: 2014MMW421