The ratio of cost price and selling price of an article is c : d. If d is 150% of c then the percentage of profit on cost price is:

150% 50% 100% 75%

50%

The ratio of cost price and selling price of an article is c : d.   d is 150% of c Let c be Rs. 100 d = 100 × \(\frac{150}{100}\) = Rs. 150 Profit = 150 – 100 = 50 Profit % = \(\frac{50}{100}\) × 100 = 50%