The sum of marginal propensity to consume plus marginal propensity to save must equal to: May 6, 2021 by admin Question: The sum of marginal propensity to consume plus marginal propensity to save must equal to: A. 0 B. 1 C. 100 D. 1000 Answer» b. 1 Note: The above multiple-choice question is for all general and Competitive Exams in India.