Alythia's chronological age is 8.
Explanation:
The Intelligence Quotient (IQ) is an intelligence test that measures the intellectual abilities that a person has, that is to say, that it measures intelligence. To obtain a person's IQ, we divide the mental age by the chronological age and multiply the result by 100.
In this case, we have the IQ score, which is 125, and the mental age, which is 10, so we have to clear C (chronological age) to find the chronological age.
mental age X 100 = IQ .
chronological age
10 X100 =125
C
10 X100 =125 X C
1000 = 125C
1000 = C
125
8=C