an article is sold at a certain price. by selling it at 2/3 of that price, one loses 10%. find the gain percent at the original price.
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HEY MATE HERE IS YOUR ANS WER
Let the original selling price be : x and the new selling price is : (2/3) of x = 2x/3
we know CP=(100/(100-Loss))*SP
Where SP is Selling Price. here, Loss = 10% and SP = 2x/3
Now CP=(100/90)*(2X/3)=20X/27 This is the Cost Price for that article.
Selling Price is : x
Gain = Cost Price - Selling Price
=X-20X/27=7X/27
Now Gain%= (7x/27)/(20x/27)= 35%
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