Ability tests are a typical part of the selection process, or for development within the workplace. Numerical reasoning tests are one of the most commonly used aptitude tests that come up during a job application. 

Numerical reasoning tests are standardized psychometric assessment tests that provide the employing organization with information about a candidate’s general numerical aptitude.
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These tests are designed to measure a candidate’s ability to make correct decisions or inferences from numerical or statistical data. It is intended to measure the ability to work with numerical data in a realistic workplace context.
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