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': 'A country has crude birth rate 25 per 1000 and crude death rate 10 per 1000. What is the growth rate of that country - \nSelect and explain. \nA. 2.50%, B. 5.00%, C. 15%, D. 1.50%', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., 1.5% * Growth rate = Crude birth rate - Crude death rate.* Thus, growth rate = 25-10=15 per 1000 or 1.5%", 'role': 'assistant'}]