Jordan is a 10-year-old boy who has a mental age of 8 years. His IQ would be
A) 80.
B) 100.
C) 125.
D) 140.
E) 185.

Question

Quizplus · Accepted Answer

Jordan's mental age of 8 years divided by his chronological age of 10 years and multiplied by 100 yields an IQ of 80. IQ is calculated by dividing mental age by chronological age and multiplying by 100. So, IQ = (mental age/chronological age) x 100. Therefore, the correct option is A) 80.

Jordan Is a 10-Year-Old Boy Who Has a Mental Age