IQ in moderate mental retardation -: (A) 90-70, (B) 70-50, (C) 50-35, (D) 35-20
Answer is C. 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