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

IQ of a person is given by the formula `IQ = (MA)/(CA)xx100` where MA = mental age and CA = chronological age. If IQ for a group of 10 years children is given by the inequation `70 le IQ le 140`, find the range of their mental age.

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To find the range of mental age (MA) for a group of 10-year-old children based on the given IQ inequality, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Formula for IQ**: The IQ of a person is given by the formula: \[ IQ = \frac{MA}{CA} \times 100 ...
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