Numerical Reasoning Tests These numerical reasoning tests contain questions that test your knowledge of Ratios, Percentage Increase/Decrease, Cost and Sales Analysis, Rates and Trends, and Currency Conversions.
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Located across the Mississippi River from modern-day St. Louis, it was the largest pre-Columbian city north of Mexico. The inhabitants of Cahokia did not use a writing system, and researchers today rely heavily on archaeology to interpret it. The name Cahokia is from an aboriginal people who lived in the area during the 17th century.