Question

Two students have same IQ. Which of the following cannot be correct ?

• A. Both can have same chronological age and mental age
• B. Both can have different chronological age and mental age
• C. One is elder than the other
• D. Both can have same chronological age but different mental age

Answer 1

Answer:

D. Both can have same chronological age but different mental age

• IQ is calculated using the formula: IQ=Mental Age / Chronological Age×100

• If both students have the same chronological age but different mental ages, their IQs would be different, not the same.

• All other options are possible because different combinations of chronological age and mental age can result in the same IQ.

So, the answer is:
d) Both can have same chronological age but different mental age.