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7.Profit and Loss
hard
Harkesh bought a certain quantity of tomato at the rate of $Rs.\,1500$ per quintal. $10 \%$ of the tomato was spoiled. At what price in $Rs.$ per quintal should he sell the remaining to gain $20 \%$ of his outlay?
A
$1800$
B
$2000$
C
$2200$
D
$2400$
Solution
In given question, $10 \%$ of tomato is spoiled
Hence, $CP$ of remaining $90 \%$ tomato $=\operatorname{Rs} .1500\left(\frac{100}{90}\right)$
Hence, $SP$ per quintal of tomato if gain is $20 \%$
$1500 \times \frac{100}{90} \times\left(\frac{100+20}{100}\right)=$ $Rs.$ $2000$ per quintal
Standard 13
Quantitative Aptitude