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
Case fatality rate is a ? 
Select and explain. 
A. Rate, B. Ratio, C. Propoion, D. None
C: Propoion
Answer: C: Propoion 
Explanation: Ans. is 'c' i.e., Propoion