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

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

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

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Fastest Time to Solve 100 Two Digit Mental Arithmetic Addition Problems (2 Rows) by an Individual (Female)

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Fastest Time to Solve 25 Two Digit Mental Arithmetic Multiplication Problems (2 Rows) while solving Rubik Cubes Simultaneously by an Individual (Female)

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