Marginal costs and average variable costs are equal when / » Micro Economics 1 solved MCQs / By admin Question: Marginal costs and average variable costs are equal when A. Average variable cost is a maximum B. Average variable cost is rising C. Average variable cost is falling D. Average variable cost is a minimum Answer» d. Average variable cost is a minimum Note: The above multiple-choice question is for all general and Competitive Exams in India.