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
A community has a population of 10,000 and a birth rate of 36 per 1000. 5 maternal deaths were reported in the current year. The MMR is 
Select and explain. 
A. 14.5, B. 13.8, C. 20, D. 5
B: 13.8
Answer: B: 13.8 
Explanation: MMR = 5/360 X 100,000
          = 1388 per 100,000 population
    LB = 13.88 per 1000 LB.