Question 68

If the cost price of 15 articles is equal to the selling price of 12 articles, find gain per cent.

Solution

Let cost price of 1 article = Rs. 20

=> Cost price of 15 articles = 15 * 20 = Rs. 300

Also, Selling price of 12 articles = Rs. 300

=> Selling price of 1 article = $$\frac{300}{12}$$ = Rs. 25

$$\therefore$$ Profit % = $$\frac{25 - 20}{20} \times 100$$

= $$\frac{1}{4} \times 100 = 25 \%$$

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