Step 1: Meaning:
Ratios that show how well a business uses its resources, such as inventory, receivables and assets, to earn revenue are called turnover ratios. They are also known as activity ratios.
Examples are inventory turnover, trade receivables turnover and trade payables turnover.
Step 2: Match with the options:
(A) Turnover ratios measure the efficiency of operations through effective use of resources. This is correct.
(B) Profitability ratios measure profit earned, so they do not fit.
(C) Solvency ratios measure the long-term ability to pay debts, so they do not fit.
(D) Liquidity ratios measure the ability to pay short-term dues, so they do not fit.
Final Answer:
Ratios that measure the efficiency of operations based on use of resources are turnover ratios. This is option (A).