A person is said to be mentally retarded when IQ is-
Ans. is 'd' i.e., < 70 o Normal IQ- 90-109;o Borderline IQ- 70-89;o Mild mental retardation IQ- 50-69;o Moderate mental retardation IQ- 35-49;o Severe MR IQ- 20-34;o Profound MR IQ- 0-19.
< 100
<90
<80
<70
Intellectual disability, communication, autism, and ADHD