If the cost price of 70 articles is equal to the selling price of 40 articles, what will be the profit percentage?

75% 65% 60% 70%

75%

The cost price of 70 articles = selling price of 40 articles \(\frac{CP}{SP}\) = \(\frac{40}{70}\) Profit% = (70 - 40) × \(\frac{100}{40}\) = 75%