Maximum Single Digit Mental Arithmetic Addition Problems (5 Rows) Solved in 4 Minutes by an Individual (Male)

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

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

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

Maximum Three Digit Mental Arithmetic Division Problems (2 Rows) Solved in 5 Minutes by an Individual (Male)

Maximum Two Digit Mental Arithmetic Multiplication Problems (2 Rows) Solved in 5 Minutes by an Individual (Female)