This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
A community of 500000 people had 100 deaths in a year. Out of those 100 deaths 10 individuals died due to pulmonary TB. What is the proportional mortality rare from TB- 
Select and explain. 
A. 10%, B. 50%, C. 75%, D. None
A: 10%
Answer: A: 10% 
Explanation: Ans. is 'a' i.e., 10% Proportional mortality from TB =No. of deaths due to TB in a year----------------------------Total no. of deaths in that yearx 100