In each of these Question two quantities are given, one in column A and one in column B.
Compare the two quantities.
Given Information
25% of the 300 girls in our school wear spectacles do not
Column A
The ratio of girls wearing to those who  do not.
Column B
1 : 3
Column A:
Number of girls = 300
No. of girls wearing spectacles = 25% of 300 = 75
No. of girls not wearing spectacles = 25% of 300 = 225
Ratio = 75:225 =1:3
Hence Quantity A = Quantity B
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