Question 66

If the cost price of 15 articles is equal to the selling price 10 articles, then the gain percentage is

Solution

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 $$y=3$$

$$\therefore$$ Profit % = $$\frac{(y-x)}{x}\times100$$

= $$\frac{(3-2)}{2}\times100=50\%$$

=> Ans - (B)

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