N.K. Harish Raj (born on 27th June 2003) from Tamil Nadu, India has created a record by calculating 100 sums within five minutes on 13th November 2011 at Zion Matriculation School, Sembakkam, Chennai.
Unique ID: 2014MMW099
The Largest Salt Mosaic by a Team measured 600 Square meters and was created by 3366 parti...