Question
A product was initially marked up by 62.5% above its
cost price. After being offered discounts of 10% and 15% successively, it sold for Rs. 1989. Determine the original cost price of the product.Solution
Let, the marked price and the cost price of the article be Rs. x and Rs. y, respectively. So, 85% of 90% of x = 1989 x = Rs. 2600 Therefore, 162.5% of y = 2600 y = 1600 So, the cost price of the article = Rs. 1600
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