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
Male to Female ratio is - 
Select and explain. 
A. Males for 1000 population, B. Females for 1000 males, C. Males for 1000 females, D. None
B: Females for 1000 males
Answer: B: Females for 1000 males 
Explanation: Ans. is 'b' i.e., Females for 1000 males