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7.Profit and Loss
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A shopkeeper purchased $245$ pieces of an article at $Rs$. $30$ per piece. He spent $Rs.$ $980$ on transport and $Rs.$ $1470$ on packing the articles. He sold the articles at the rate of $Rs.$ $50$ per piece. What is the percent profit earned?
A
$25$
B
$20$
C
$28$
D
$22.5$
Solution
CP of 245 pieces of article $=$ Rs. $(245 \times 30)=$ $Rs.$ $7350$
Total $CP$ (including transport and packing)
$=$ Rs. $(7350+980+1470)=$ $Rs. 9800$
Hence, $CP$ of $1$ piece $=\frac{9800}{245}=$ $Rs. 40$
$SP$ of $1$ piece $=$ $Rs. 50$
Gain $\%=\frac{10}{40} \times 100=25 \%$
Standard 13
Quantitative Aptitude
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