IBRS20213693
Maximum Single Digit Mental Arithmetic Addition Problems (4 Rows) Solved in 4 Minutes by an Individual (Male)
S Sudhakar Joson
Human Feats
4-Sep-2021
The Maximum Single Digit Mental Arithmetic Addition Problems (4 Rows) Solved in 4 Minutes by an Individual (Male) counted to 68. It was accomplished by S.Sudhakar Joson, Student of Indian Abacus Private Limited, in Tenkasi District, Tamil Nadu, India on September 4, 2021.