Fastest Arithmetic Calculations of 10 rows (9 digit)

Mihir Nishit Shah (born on 20th July 2004) from Gujarat, India performed mental math sums at Jeenvanbharati Rotary Hall, Surat on 17th June 2013. He solved 4 addition sums of 10 rows (9 digit) in 2 min 76ms, 20 multiplication sums of 3X3 digit in 3min 52s, 50 multiplication sums of 2X2 digit in 3 min 1s 60ms, 40 sums of 4 digit square root in 58s 1ms, 30 division sums of 5/4 digit in 42s 90ms.

Unique ID: 2014MMW386