Question

A man sold an article for $Rs396$ and gained $10\%$ on it. Find the cost price of the article.

Answer 1

Let the original price be $x$

Profit $\%$ is $10$

Selling price is $396=x+\frac{10}{100}x396=x\left(\frac{11}{10}\right)x=\frac{10\times 396}{11}=360$

So the cost price is $360$