Mild mental retardation is characterized by: (A) IQ : 90 - 109, (B) IQ : 70 - 89, (C) IQ : 50 - 69, (D) IQ : 35 - 49
Answer is C. Normal : 90 - 109.
Borerline : 70 - 89.
Mild : 50 - 69.
Moderate : 35 - 49.
Severe : 20 - 34.