Question 184

Cost price of 100 books is equal to the selling price of 60 books. The gain percentage/loss percentage is

Solution

Let cost price of 1 book = Rs 1

=> Cost price of 100 books = 1*100 = 100

Now, this is equal to selling price of 60 books

=> Selling price of 1 book = 100/60 = 5/3

Since, selling price is greater than cost price

=> Profit % = $$\frac{\frac{5}{3}-1}{1}$$ * 100

= $$\frac{100}{3}$$ = 66$$\frac{2}{3}$$%

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