Question
A shopkeeper priced an item at Rs. 640 above its
original cost and then sold it at a 25% discount, resulting in a 35% profit. Calculate the cost price of the item.Solution
Let cost price of the article is Rs. 20x So, 1.35 × 20x = 0.75 × (20x + 640) Or, 27x = 15x + 480 Or, 12x = 480 Or, x = 40 Cost price of the article = 20 × 40 = Rs. 800
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