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Greatest Number of Mental Multiplication Problems Solved by a Minor (Male) in 3 Hours
K.Deepak Kumar
11-Apr-2015
The Greatest Number of Mental Multiplication Problems Solved by a Minor (Male) in 3 Hours counted to 5073 out of 5800 arithmetic sums, was completed by K.Deepak Kumar, ZeMAC Global Edu Private Limited and MP Academy, Salem, Tamil Nadu, India on April 11, 2015.
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