The IQ of a 25 years old boy, whose mental Age 16 will be

Options

A. 64
B. 75
C. 80
D. 100

Answer

A

Explanation

Concept: IQ = \({Mental Age}\over{Chronological Age}\) × 100
Given: Mental age = 16
Chronological age = 25
Solution: IQ= \(16\over25\)×100 = 64

This IQ score is lying in 55 to 70 IQ range reveals that the person is having Mild Mental Intellectual Disability

In1912, William Stern suggested the concept called Intelligent Quotient (IQ). It referred to a score derived by dividing MA with CA and multiplying the result with 100.
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