This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography, Subject name: Social & Preventive Medicine
In assessing the literacy rate, the parameter which is used: 
Select and explain. 
A. Age above 7 years, B. Schooling up to 10th class, C. Schooling up to 15 years, D. All population
A: Age above 7 years
Answer: A: Age above 7 years 
Explanation: Ans. a. Age above 7 years (Ref Park 23/e p485, 21 e p449)In assessing the literacy rate, age above 7 years is the parameter.Literate (India): Any person who can read and write, with understanding, in any one language of India and who is more than 7 years of age.Literate (India): Any person who can read and write, with understanding, in any one language of India and who is more than 7 years of age.Literacy rate: Denominator is population >7 years of ageCrude literacy rate: Denominator is whole population (used earlier)