IQ of 15 is which grade of mental retardation -
Ans. is 'd' i.e., ProfoundCategoryIQNormal intelligence> 90Borderline intelligence70 - 89Mental retardationMild MR50 - 69Moderate MR35-49Severe MR20-34Profound MR0-19
Mild
Moderate
Borderline
Profound
Organic Mental Disorder