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7.Profit and Loss
medium
Profit earned by selling an article of $Rs.\, 1630$ is same as the loss incurred by selling the article for $Rs.$ $1320 .$ What is the $CP$ in $Rs$?
A
$1475$
B
$1300$
C
$1350$
D
$1275$
Solution
Here, profit $=loss$ $….(i)$
$\Rightarrow$ Here, profit $=( SP )_{1}-( CP )$ and $,$ Loss $=( CP )-( SP )_{2}$
Now putting these values in $(i)$
$( SP )_{1}-( CP )=( CP )-( SP )_{2}$
$C P=\frac{(S P)_{1}+(S P)_{2}}{2}=\operatorname{Rs} \frac{1630+1320}{2}=R s .1475$
Standard 13
Quantitative Aptitude