IBRS20213663
Maximum Single Digit Mental Arithmetic Addition and Subtraction Problems (3 Rows) Solved in 4 Minutes by an Individual (Male)
R.Jerin
Human Feats
8-Aug-2021
The Maximum Single Digit Mental Arithmetic Addition and Subtraction Problems (3 Rows) Solved in 4 Minutes by an Individual (Male) counted to 77. It was accomplished by R.Jerin, Student of Indian Abacus Private Limited, in Tenkasi District, Tamil Nadu, India on August 8, 2021.