IQ of a person is given by the formula IQ = (MA/CA)*100, where MA is the mental age - Maths - Linear Inequalities

Question

IQ of a person is given by the formula
IQ = (MA/CA)*100,
where MA is the mental age & CA is the chronological age If
80≤IQ≤140 for a group of 12 yr children, find the range of
their mental age

Deepika Bishnoi · Answer

80 smaller than and equal to IQsmaller than and equal to 140
80 smaller than and equal to MA/CA *100 smaller than and equal
to 140
80smaller than and equal to MA/12 *100 smaller than and equal to
140
80smaller than and equal to MA/3*25smaller than and equal to
140
80*3/25 smaller than and equal to MA smaller than and equal to
140 *3/25
48/5 smaller than and equal to MA smaller than and equal to
84/5
9 6 smaller than and equal to MA smaller than and equal to 16
8

IQ of a person is given by the formula IQ = (MA/CA)*100, where MA is the mental age & CA is the chronological age. If 80≤IQ≤140 for a group of 12 yr children, find the range of their mental age.

IQ of a person is given by the formula

IQ = (MA/CA)*100,

where MA is the mental age & CA is the chronological age. If 80≤IQ≤140 for a group of 12 yr children, find the range of their mental age.