On selling an article for ₹2400 a trader earns 25% profit. If he had sold it for ₹2160, then what was his profit or loss percentage?

$12\frac{1}{2}$% Profit

Selling price of the arrticle = 2400

Profit = 25%

125% of CP = 2400

100% of the CP = 1920

New selling price given = 2160

Profit % = (2160 - 1920) ×  \(\frac{100}{1920}\) = $12\frac{1}{2}$% Profit