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7.Profit and Loss
easy
A shopkeeper labeled the price of his articles in order to earn a profit of $30 \%$ on the cost price. He, then, sold the articles by offering a discount of $10 \%$ on the labelled price. What is the actual rate of profit he earned in the deal? (in $\%$)
A
$18$
B
$8$
C
$20$
D
$17$
Solution
Let, the cost price of the articles be $₹ 100$.
To earn a profit of $30 \%$ he labelled them $₹ 130$.
After giving a discount of $10 \%$ the selling price of the articles $=0.9 \times 130=117$
So, actual profit per cent $=\frac{(117-100)}{100} \times 100=17 \%$
Standard 13
Quantitative Aptitude
