Fastest Time to Solve 100 Single Digit Mental Arithmetic Multiplication Problems (2 Rows) by an Individual (Female)

Maximum Single Digit Mental Arithmetic Multiplication Problems (2 Rows) Solved in 3 Minutes by an Individual (Female)

Fastest Time to Solve 100 Single Digit Mental Arithmetic Multiplication Problems (2 Rows) by an Individual (Male)

Fastest Time to Solve 75 Two Digit Mental Arithmetic Multiplication Problems (2 Rows) by an Individual (Male)

Maximum Single Digit Mental Arithmetic Addition and Subtraction Problems (3 Rows) Solved in 3 Minutes by an Individual (Male)

Maximum Single Digit Mental Arithmetic Addition Problems (4 Rows) Solved in 4 Minutes by an Individual (Male)