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7.Profit and Loss
easy
By selling an article at $\frac{3}{4}^{t h}$ of the marked price, there is gain of $25 \%$. The ratio of the marked price and the cost price is
A
$5:3$
B
$3:5$
C
$3:4$
D
$4:3$
Solution
Let, the cost price be $₹ 100$ and the marked price be $Rs.x$
Now, according to the question,
$x \times \frac{3}{4}=125$
$\Rightarrow x=\frac{125 \times 4}{3}=₹ \frac{500}{3}$
$\therefore$ required ratio $=\frac{500}{3}: 100=5 :3$
Standard 13
Quantitative Aptitude
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