IQ of a person is given by the formula

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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Solution

It is given that for a group of 12 years old children, 80 ≤ IQ ≤ 140 … (i)

For a group of 12 years old children, CA = 12 years

Putting this value of IQ in (i), we obtain

Thus, the range of mental age of the group of 12 years old children is .

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where MA is mental age and CA is chronological age. If

80 \leq I Q \leq 140

for a group 12 years old children, find the range of their mental age.

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IQ of a person is given by the formula 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.

It is given that for a group of 12 years old children, 80 ≤ IQ ≤ 140 … (i) For a group of 12 years old children, CA = 12 years Putting this value of IQ in (i), we obtain Thus, the range of mental age of the group of 12 years old children is .

IQ of a person is given by the formula

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.

It is given that for a group of 12 years old children, 80 ≤ IQ ≤ 140 … (i)

For a group of 12 years old children, CA = 12 years

Putting this value of IQ in (i), we obtain

Thus, the range of mental age of the group of 12 years old children is .