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- Quantitative Aptitude
7.Profit and Loss
hard
A loss of $19 \%$ gets converted into profit of $17 \%$ when the selling price is increased by $Rs. 162$ . Find the cost price of the article. in $Rs.$
A
$300$
B
$350$
C
$400$
D
$450$
Solution
Let the original price be $Rs.$ $x$
$\Rightarrow \quad$ Loss of $19 \%=$ $Rs.$ $(x-0.19 x)=$ $Rs $.$0 .81 x$ (old price)
$\Rightarrow \quad$ Profit of $17 \%=$ $Rs.$ $(x+0.17 x)=$ $Rs.$ $1.17 x$ (new price)
(New price) $-$ (Old price) $=$ $Rs. 162$ [According to given question]
$1.17 x-0.81 x=162, \quad x=\frac{162}{0.36}=$ $Rs. 450$
Standard 13
Quantitative Aptitude