This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Definition & Concepts, Subject name: Social & Preventive Medicine
Numerator of Dependency ratio is:- 
Select and explain. 
A. <10 years age, B. <15 years age, C. <19 years age, D. <15 years and >65 years age
D: <15 years and >65 years age
Answer: D: <15 years and >65 years age 
Explanation: Dependency Ratio (DR) : The Propoion of persons above 65 years of age and children below 15 years of age are considered to be dependent on economically productive age group.( 15 - 64 years) DR = Propoion of persons < 15 years age and > 65 years age / Propoion of persons 15 - 64 years age.