IBRS20150994
Maximum Number of People Solving Arithmetic Problems with Abacus Simultaneously for 4 Hours
Mass Participation
ARJWIN Abacus
10-Mar-2015
The Maximum Number of People Solving Arithmetic Problems with Abacus Simultaneously for 4 Hours counted to 38 participants. It was accomplished by ARJWIN Abacus, Tiruppur District, Tamil Nadu, India on October 3, 2015.