By selling an article at some price, a man gains 10%. If the article is sold at twice of the price, the gain… · ABC26GN2633

Let C.P. $=₹ x$. Then, S.P. $=110 \%$ of $₹ x=₹ \frac{11 x}{10}$. New S.P. $=₹\left(2 \times \frac{11 x}{10}\right)=₹ \frac{11 x}{5}$. Gain $=₹\left(\frac{11 x}{5}-x\right)=₹ \frac{6 x}{5}$. $$\text { ∴ Gain\% }=\left(\frac{6 x}{5} \times \frac{1}{x} \times 100\right) \%=120 \% .$$