Mental age is 12 and chronological age is 10. What is the IQ?
- 80
- 120
- 100
- 12
Show answer and solution
Correct answer: B. 120
1. IQ = (MA / CA) x 100.
2. IQ = (12 / 10) x 100 = 120.
3. An MA above CA gives an IQ above 100.
_Source: NCERT Class XII Psychology, Ch 1 Variations in Psychological Attributes (ncert.nic.in/textbook/pdf/lepy101.pdf), "Assessment of Intelligence"_