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Greatest Number of People Solving Arithmetic Problems using an Abacus Simultaneously in 4 Hours
ARJWIN Abacus
3-Oct-2015
The Greatest Number of People Solving Arithmetic Problems using an Abacus Simultaneously in 4 Hours counted to 38 participants, was set and organized by ARJWIN Abacus, Tiruppur District, Tamil Nadu, India on October 3, 2015.
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