This document discusses various types of financial ratios used to analyze a business, including profitability ratios like gross profit margin, liquidity ratios that measure ability to meet obligations, efficiency ratios such as return on capital employed and stock turnover, gearing ratios that assess borrowing risk, and investment appraisal ratios like average rate of return. Profitability ratios examine returns after costs. Liquidity ratios measure short-term financial health. Efficiency ratios assess capital usage and inventory levels. Gearing ratios evaluate borrowing levels. Investment appraisal ratios are used to analyze project profitability over time.