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

Maximum Single Digit Mental Arithmetic Addition and Subtraction Problems (3 Rows) Solved in 3 Minutes while Performing Sports Drill Simultaneously by an Individual (Female)

Maximum Single Digit Mental Arithmetic Addition Problems (5 Rows) Solved in 3 Minutes while Solving Rubik Cubes Simultaneously by an Individual (Male)

Maximum Two Digit Mental Arithmetic Addition and Subtraction Problems (5 Rows) Solved in 5 Minutes by an Individual (Female)

Maximum Single Digit Mental Arithmetic Addition and Subtraction Problems (10 Rows) Solved in 8 Minutes by an Individual (Male)

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