This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography and Family Planning, Subject name: Social & Preventive Medicine
[{'content': 'In a population of 10,000, literate people are 4000. In same population 2000 are 0-6 years old. What is the literacy rate of that population - \nSelect and explain. \nA. 30%, B. 40%, C. 50%, D. 60%', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 50% * The term literacy rate is used for the population relating to seven years age & above.* In the given question, population 7 years 8c above is 8000. Out of which 4000 are literate thus literacy rate is 50%.", 'role': 'assistant'}]