A shopkeeper sold an article for Rs. 700 after offering a discount of 20%. If he earned a profit of 25%, then find the ratio of cost price to the marked price, of the article.
Marked price of the article = 700 ÷ 0.8 = Rs. 875 Cost price of the article = 700 ÷ 1.25 = Rs. 560 Required ratio = 560:875 = 16:25
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