Fastest Calculation of the Addition of 50 Two-digit Numbers by a Young Genius Boy
N.k. Harikrishnan Born on 12-11-2009 in Trichy, Tamil Nadu, India. He Has Created a New World Record for the Fastest Calculation of the Addition of 50 Two-digit Numbers in the Least Time of 49 Seconds, and He Has Set a New World Record. This Outstanding Achievement...
MAXIMUM DOUBLE-DIGIT BY SINGLE-DIGIT ADDITION PROBLEMS SOLVED MENTALLY (3 ROWS) IN 7 MINUTES – 100 SUMS
S.SELVA GANAPATHI Born on 25.10.2012 in Theni, Tamil nadu India. He has created a new World Record for the MAXIMUM DOUBLE-DIGIT BY SINGLE-DIGIT ADDITION PROBLEMS SOLVED MENTALLY (3 ROWS) IN 7 MINUTES – 100 SUMS and He has set a new world record. This outstanding...
MAXIMUM SINGLE-DIGIT ADDITION PROBLEMS SOLVED MENTALLY (3 ROWS) IN 4 MINUTES – 100 SUMS
S.KARUNHESAV Born on 27.05.2016 in Theni, Tamil Nadu, India. He has created a new World Record for the MAXIMUM SINGLE-DIGIT ADDITION PROBLEMS SOLVED MENTALLY (3 ROWS) IN 4 MINUTES – 100 SUMS and He has set a new world record. This outstanding achievement was...