Question 55

A store sells a watch for a profit of 25% of the cost. Then the percentage of profit against selling price is

Solution

Let cost of watch = Rs. $$100x$$

Profit % = 25%

=> Selling price = $$100x+(\frac{25}{100} \times 100x)=Rs.$$ $$125x$$

$$\therefore$$ Percentage of profit against selling price = $$\frac{125x-100x}{125x} \times 100$$

= $$\frac{1}{5} \times 100=20\%$$

=> Ans - (B)

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