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7.Profit and Loss
medium
On an article the profit is $210 \%$ of the cost price. If the cost price increase by $40 \%$ but the selling price remains constant, approximately what percent of selling price will be the profit?
A
$55$
B
$62$
C
$74$
D
$85$
Solution
Let $C.P$ Initially be $Rs.100$
$S.P$ $=100+210 \%$ $(100)$
$=₹ 310$
Now $C . P =₹ 140$
Now profit $=310-140$
$=₹ 170$
Required$\%$ $=\frac{170}{310} \times 100=54.83 \% \simeq 55 \%$
Standard 13
Quantitative Aptitude
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