Joe,a 15-year-old boy,performs about as well on an intelligence test as an average six-year-old.His IQ is about
A)25.
B)40.
C)60.
D)90.

Name: Joe,a 15-year-old boy,performs about as well on an intelligence test as an average six-year-old.His IQ is about A)25. B)40. C)60. D)90.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Joe's IQ is calculated using the formula: IQ = (Mental Age / Chronological Age) * 100. In this case, his Mental Age is 6 and his Chronological Age is 15. Therefore, his IQ = (6 / 15) * 100 = 40.

Joe,a 15-Year-Old Boy,performs About as Well on an Intelligence Test