A trader has a weighing balance that shows 1300 g for a kg. He further marks up his cost price by 15%. The net profit percentage is:

Solution (By Examveda Team)

$$\eqalign{ & \frac{{{\text{Sale price}}}}{{{\text{Cost price}}}} = \frac{{1300}}{{1000}} \times \frac{{115}}{{100}} = \frac{{299}}{{200}} \cr & {\text{Profit }}\% = \frac{{99}}{{200}} \times 100 = 49.5\% \cr} $$