Maximum Single Digit Mental Arithmetic Addition Problems (4 Rows) Solved in 3 Minutes by an Individual (Male)

Maximum Single Digit Mental Arithmetic Addition and Subtraction Problems (4 Rows) Solved in 3 Minutes while Performing Silambam Simultaneously by an Individual (Male)

Maximum Single Digit Mental Arithmetic Addition Problems (3 Rows) Solved in 3 Minutes while Performing Hula Hoop Simultaneously by an Individual (Male)

Maximum Single Digit Addition Problems (3 Rows) Solved in 4 Minutes using Abacus by an Individual (Female)

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

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