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
Community development block covers a population of? 
Select and explain. 
A. 3000-5000, B. 20000-30000, C. 30000-50000, D. 80000-120000
D: 80000-120000
Answer: D: 80000-120000 
Explanation: Ans. is 'd' i.e., 80000-120000 At present a community development block covers an area of about 620 sq km with around 100 villages and a population of about 100000 (80000 - 120000).