D.RAJESH KUMAR
Born on 03-02-2016 from Chennai, Tamilnadu,India.He has created a new world record by solving maximum number of 700 addition and subtraction sums in the least time of 30 minutes by using abacus methodology, Under the guidance of GANGA JAGANATHAN Director of HIBM Abacus, Chennai. He has set a new world record dated 24-04-2022 and the event is organised by WORLD TAMIZH CULTURAL SOCIETY.This achievement is registered in Kalam’s World records.
MAXIMUM NUMBER ADDITION AND SUBTRACTION SUMS SOLVED IN LEAST TIME BY USING ABACUS METHODOLOGY
