You went to buy 3 articles worth Rs.500 each. However, as per the discount sale going on in the shop, you paid for two and got one free. What is the discount percentage in the deal?
C.P of three articles = $$3\times\ 500=1500$$
Discount is Rs 500
Discount % = $$\frac{500}{1500}\times\ 100=33.33$$% .
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