1. If the cost price of 15 articles is equal to the selling price 10 articles, then the gain percentage is
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By: anil on 05 May 2019 02.25 am
Let C.P. of 1 article = $$Rs.$$ $$x$$ and S.P. of 1 article = $$Rs.$$ $$y$$ According to ques, => $$15x=10y$$ => $$frac{x}{y}=frac{10}{15}=frac{2}{3}$$ Let $$x=2$$ and $$y=3$$ $$ herefore$$ Profit % = $$frac{(y-x)}{x} imes100$$ = $$frac{(3-2)}{2} imes100=50\%$$ => Ans - (B)
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