If the mental age of a child is 12 and chronological age is 10, his IQ will be

Options

A. 120
B. 100
C. 22
D. 83

Answer

A

Explanation

IQ is intelligence Quotient. It is calculated as per the ratio of intelligence and average calculated in any group. It is coined by psychologist William Stern. IQ scores are used for educational assessment and aptitude tests. It varies from person to person