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IQ of a person is given by the formula I...

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

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  20. IQ of a person is given by the formula IQ = (MA)/(CA) xx 100, where MA...

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