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7.Profit and Loss
medium
Abhishek purchased $140$ shirts and $250$ trousers at $Rs.\, 450$ and at $Rs.\, 550$ respectively. What should be the overall average selling price of shirts and trousers so that $40 \%$ profit is earned? (in $Rs.$)
(rounded off to next integer)
A
$725$
B
$710$
C
$720$
D
$700$
Solution
Total $CP$ of $140$ shirts and $250$ trousers
$Rs.$ $(140 \times 450+250 \times 550)$
$Rs.$ $200500$
Total $SP =\frac{200500 \times 140}{100}= Rs .280700$
Avg. $SP =\frac{280700}{390}= Rs .720$( appx .)
Standard 13
Quantitative Aptitude