SSC CGL 2011 Question Paper Tier 1 - Shift 2 (June 19th)

Question 124

If the cost price of 15 articles is equal to the selling price of 12 articles, find gain%

Solution

Let's say cost price of 15 articles is $$x$$
cost price of 12 articles will be = $$\frac{12x}{15}$$

selling price of 15 articles is = $$x$$

gain = $$\frac{3x}{15}$$

gain% = $$\frac{\frac{3x}{15}}{\frac{12x}{15}} \times 100$$ = 25

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