A shopkeeper makes a profit of 12.5% after allowing a discount of 10% on the marked price of an article. Find his profit percentage if the article is sold at the marked price, allowing no discount.
Answer & explanation
Correct answer: option 1
CP MP
100 - D% 100 + P%
100 - 10% 100 + 12.5%
90 112.5
Profit when no discount is allowed = 112.5 - 90 = 22.5
Profit % = 22.5 × \(\frac{100}{90}\) = 25%