Rita's income is 15% less than Richa's income. By what percent is Richa's income more than Rita's income?

Solution (By Examveda Team)

$$\eqalign{ & {\text{Richa : Rita}} \cr & \,\,\,\,\,100:85 \cr & {\text{Increase}}\% = \frac{{\left( {100 - 85} \right)}}{{85}} \times 100 \cr & = \frac{{15}}{{85}} \times 100 \cr & = 17\frac{{11}}{{17}}\% \cr} $$