Accounts receivable turnover
Net credit sales/average net accounts receivable (less allowance for doubtful accounts). If asking for average collection period take the result of the earlier equation and do 360/x to get days.
Quick ratio (acid test ratio, liquidity ratio)
Cash and cash equivalents + marketable securities + accounts receivable/ Current Liabilities.
Inventory turnover
COGS/ average inventory (beginning+ending/2)
Current ratio
Current assets / Current liabilities
Profit margin on sales
net income/sales
Return on equity
net income/ average outstanding equity