Maximum Number of Mental Arithmetic (Multiplication) Problems Solved by a Minor (Male) in 5 Hours
The Maximum Number of Mental Arithmetic (Multiplication) Problems Solved by a Minor (Male) in 5 Hours counted to 4,443 perfect answers out of 4769 arithmetic sums. It was accomplished by R.G.Naveen, ARJWIN Abacus, Tiruppur District, Tamil Nadu, India on October 3, 2015.
