| List I | List II | ||
| A. | Liquidity Ratio | I. | Propnetary Ratio |
| B. | Solvency Ratio | II. | Trade Reservable turnover Ratio |
| C. | Activity Ratio | III. | Operating Ratio |
| D. | Profitability Ratio | IV. | Current Ratio |
LIST I | LIST II | ||
| A | Liquidity Ratio | I | To check ability to meet long term contractual obligations |
| B | Solvency Ratio | II | To analyse the earning capacity of Business |
| C | Activity Ratio | III | To measure the short term Solvency |
| D | Profitability Ratio | IV | To measure the speed at which the activities of the business are being performed |
What comes next in the series?
\(2, 6, 12, 20, 30, \ ?\)