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

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

Maximum Single Digit Mental Arithmetic Addition Problems (6 Rows) Solved in 3 Minutes by an Individual (Female)

Fastest Time to Recite Small Friend Formulae in Abacus while Solving One Side of the Rubik Cube Simultaneously by an Individual (Male)

Maximum Single Digit Mental Arithmetic Addition and Subtraction Problems (4 Rows) Solved in 5 Minutes while Performing Surya Namaskaras Simultaneously by an Individual (Male)

Maximum Single Digit Mental Arithmetic Addition and Subtraction Problems (5 Rows) Solved in 3 Minutes while Playing Keyboard Simultaneously by an Individual (Male)