Maximum Single Digit Mental Arithmetic Multiplication Problems (2 Rows) Solved in 10 Minutes by an Individual (Male)

Fastest Time to Solve 50 Two Digit Mental Arithmetic Multiplication Problems (2 Rows) by an Individual (Male)

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

Maximum Two Digit Mental Arithmetic Multiplication Problems (2 Rows) Solved in 6 Minutes by an Individual (Male)

Maximum Two Digit Multiplication Problems (2 Rows) Solved in 5 Minutes using Abacus by an Individiual (Female)

Maximum Four Digit Mental Arithmetic Division Problems Solved in 6 Minutes by an Individual (Male)