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19 May, 23:02

The average 8 year old gets 30 questions right on an intelligence test, whereas the average 12 year old gets 50 questions right.

What is the mental age of an 8 year old who gets 50 questions right?

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Answers (2)
  1. 20 May, 01:35
    0
    12 years.

    Step-by-step explanation:

    We have been given that the average 8 year old gets 30 questions right on an intelligence test, whereas the average 12 year old gets 50 questions right. We are asked to find the mental age of an 8 year old who gets 50 questions right.

    Since the 8 year old boy gets 50 questions right and the average 12 year old also gets 50 questions right, so the mental age of 8 year old (getting 50 questions right) will be equal to the mental age of 12 years old.

    Therefore, the mental age of an 8 year old who gets 50 questions right would be 12 years.
  2. 20 May, 02:54
    0
    The answer is either 9 or 12
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