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

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Maximum Single Digit Mental Arithmetic Addition Problems (3 Rows) Solved in 12 Minutes by an Individual (Female)

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Maximum Single Digit Mental Arithmetic Addition Problems (3 Rows) Solved in 12 Minutes by an Individual (Male)

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

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Maximum Two Digit Addition Problems (2 Rows) Solved in 12 Minutes using Abacus by an Individual (Female)

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Maximum Podcast Episodes Recorded and Uploaded in 5 Hours by an Individual (Female)