(i) 25%
The required fraction is,\(=\frac{25}{100}=\frac{1}{4}\) or 1:4.
(ii) 2.5%
The required fraction is,\(=\frac{25}{10}=\frac{5}{2}\) or 5:2
(iii) 0.25%
The required fraction is,\(=\frac{25}{100}=\frac{1}{4}\) or 1:4
(iv) 0.3%
The required fraction is,\(=\frac{3}{10}\) or 3:10
(v) 125%
The required fraction is,\(=\frac{125}{100}=\frac{5}{4}\) or 5:4