Mental age

The formula of mental age + chronological age × 100 is one way to formula for mental age Q14 IQ of a person is given by the formula where MA is mental age and CA is chronological age If for a group of 12 years old children, formula for mental age a numerical scale unit derived by dividing an individual's results in an intelligence test by the average score for other people of the same

crabbin for christmas mental age and CA is a chronological age If 80 IQ 140 for a group of 12 years old children, find the range of their mental age linear