**Ratios**: Ratios refer to the quantitative relationship between two or more values. Measuring this skill helps assess a candidate's ability to comprehend and manipulate numerical relationships, which is vital in many business and financial roles.

**Number Series**: The skill of number series involves identifying patterns or rules within a sequence of numbers. This skill is important to assess as it demonstrates a candidate's logical and analytical thinking abilities, which are crucial in problem-solving and decision-making tasks.

**Tables & Graphs**: Tables and graphs are visual representations of data that provide insights and facilitate analysis. Testing this skill allows recruiters to evaluate a candidate's proficiency in interpreting and drawing conclusions from different types of data presentations, an essential competence in data-driven decision-making roles.

**Currency & Units Conversion**: Currency and units conversion entails converting values from one monetary unit or unit of measurement to another. Measuring this skill is important as it indicates a candidate's aptitude for handling global business transactions and their ability to work with diverse units and currencies.

**Percentages**: Percentages represent parts of a whole expressed as a fraction of 100. Assessing this skill enables recruiters to gauge a candidate's capability to understand and manipulate percentages, which is essential in financial analysis, data interpretation, and forecasting.

**Compound Interest**: Compound interest is the interest calculated on both the initial principal and the accumulated interest. Testing this skill helps evaluate a candidate's knowledge and comprehension of financial concepts and their ability to analyze the long-term impact of interest on investments or loans.

**Data Visualization**: Data visualization involves presenting complex data in a visual format to facilitate understanding and analysis. This skill is measured to assess a candidate's proficiency in creating visually compelling and informative representations of data, which aids in effective communication and decision-making.

**Profit & Loss**: Profit and loss refers to the financial gains and losses resulting from business transactions. Evaluating this skill provides recruiters with insights into a candidate's ability to analyze financial statements, calculate profit margins, and make informed business decisions based on financial data.

**Work & Time**: Work and time problems involve calculating the time required to complete a task based on the work rate or the work completed in a given time. Measuring this skill enables recruiters to assess a candidate's ability to solve time-sensitive problems and manage project deadlines efficiently.