Most Two Digit Mental Arithmetic Multiplication Problems (2 Rows) Solved in 6 Minutes by an Individual (Male)
Most Two Digit Multiplication Problems (2 Rows) Solved in 5 Minutes using Abacus by an Individiual (Female)
Most Four Digit Mental Arithmetic Division Problems Solved in 6 Minutes by an Individual (Male)
Fastest Time to Solve 100 Two Digit Mental Arithmetic Addition Problems (2 Rows) by an Individual (Female)
Fastest Time to Solve 25 Two Digit Mental Arithmetic Multiplication Problems (2 Rows) while solving Rubik Cubes Simultaneously by an Individual (Female)
Most Single Digit Mental Arithmetic Addition and Subtraction Problems (5 Rows) Solved in 5 Minutes by an Individual (Male)
