ABC26GN2633 · Profit and Loss
Subject: General Aptitude · Chapter: Profit and Loss · Exam: 2006 · Marks: · Difficulty:
By selling an article at some price, a man gains 10\%. If the article is sold at twice of the price, the gain percent will be
(a)20\%
(b)60\%
(c)100\%
(d)120\%
Answer
Explanation
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 $=₹\left(\frac{11 x}{5}-x\right)=₹ \frac{6 x}{5}$. $$\text { ∴ Gain\% }=\left(\frac{6 x}{5} \times \frac{1}{x} \times 100\right) \%=120 \% .$$
Explanation as extracted from the printed page; notation may be imperfect.
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