By selling an article, a man makes a profit of 25% of its selling price. His profit percent is:

Answer: Option D

He gets 25% profit on the selling price.
$$\begin{array}{rl}& LetSP=x;then\\ & CP=x-\frac{x}{4}\\ & =Rs.\frac{3x}{4}\\ & Hence,\\ & \%gain=\frac{\frac{x}{4}}{\frac{3x}{4}}\times 100\\ & =\frac{100}{3}\\ & =33\frac{1}{3}\end{array}$$