Question

On an intelligence test, a five-year-old child is able to answer the questions that the average four-year-old can answer, but is not able to answer the five-year-old questions.

The child’s IQ would be _______.

Answer 1

80%

Step-by-step explanation:

to get this, you compute a ratio of the mental age to the chronological age and multiply by 100.

i.e. IQ = (4/5) x 100

IQ = 80%