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If 80 ≤ IQ ≤ 140 for a group of 12 years old children, find the range of their mental age.

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+3 votes
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asked Dec 28, 2016 in Mathematics by Rohit Singh (61,782 points) ● 35 ● 133 ● 357

IQ of a person is given by the formula
IQ = MA/CA × 100,
where MA is mental age and CA is chronological age. If 80 ≤ IQ ≤ 140 for a group of 12 years old children, find the range of their mental age.

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+4 votes
answered Dec 29, 2016 by Abhishek Kumar (14,593 points) ● 5 ● 9 ● 35
selected Dec 29, 2016 by Rohit Singh
 
Best answer

Solution: Given IQ of a person is given by the formula 
IQ = MA/CA × 100,

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