This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': "Formula for Quetelet's index ? \nSelect and explain. \nA. Weight divided by height, B. Height divided by cube root of weight, C. Height minus 100, D. Weight divided by square of height", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Weight divided by square of height", 'role': 'assistant'}]