The cost price of 100 books is equal to the s | vedclass

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Question

(A) Let the cost price of $1$ book be $x$.Then,the cost price of $100$ books $= 100x$.According to the problem,the selling price of $60$ books $= 100x

Vedclass · Accepted Answer

$66 \frac{2}{3} \%$

Vedclass · Answer

(A) Let the cost price of $1$ book be $x$.Then,the cost price of $100$ books $= 100x$.According to the problem,the selling price of $60$ books $= 100x$.Therefore,the selling price of $1$ book $= \frac{100x}{60} = \frac{5x}{3}$.Since the selling price is greater than the cost price,there is a profit.Profit $= 	ext{Selling Price} - 	ext{Cost Price} = \frac{5x}{3} - x = \frac{2x}{3}$.Profit percentage $= \left( \frac{	ext{Profit}}{	ext{Cost Price}} 	imes 100 ight) \%$.Profit percentage $= \left( \frac{2x/3}{x} 	imes 100 ight) \% = \frac{2}{3} 	imes 100 = \frac{200}{3} = 66 \frac{2}{3} \%$.

The cost price of $100$ books is equal to the selling price of $60$ books. The gain or loss percentage will be:

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