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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Cahokia was a city that, at its peak from 1050-1200 A.D., was larger than many European cities, including London. The city encompassed at least 120 mounds and a population between 10,000 and 20,000 people spread out over six square miles (16 square kilometers).