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: Unknown
An IQ of 51 -70 suggests what degree of Mental retardation ? 
Select and explain. 
A. Mild MR, B. Moderate MR, C. Severe MR, D. Profound MR
A: Mild MR
Answer: A: Mild MR 
Explanation: Ans. is 'a' i.e., Mild MR CategoryIQMild50-70Moderate35-49Severe20-34Profound<20