150402TBR
Greatest Number of Arithmetic (Addition) Problems Solved using an Abacus by a Minor (Male) in 3 Hours
S.Shri Sidharth
3-Oct-2015
The Greatest Number of Arithmetic (Addition) Problems Solved using an Abacus by a Minor (Male) in 3 Hours counted to 2095 perfect answers out of 2211 arithmetic sums, was completed by S.Shri Sidharth, ARJWIN Abacus, Tiruppur District, Tamil Nadu, India on October 3, 2015.
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