IQ for sever mental retardation –
Correct Answer: 20-35
Description: WHO classification of Mental retardation(MR) mild MR...IQ 50-70 moderate MR ...35-49 severe MR..IQ 20-34 profound MR...IQ under 20 ref; (page no;582) 23rd edition of PARK&;s textbook of Preventive and Social medicine
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Social & Preventive Medicine
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