Question
A shopkeeper marked an article P% above its cost price
and sold it for Rs. 960 after giving a discount of 20%. If the ratio of cost price and selling price of the article is 25:30, respectively, then find the selling price if the article is sold at a profit of (P + 9)%.Solution
Cost price of the article = (25/30) × 960 = Rs. 800 Marked price of the article = 960/0.8 = Rs. 1200 P% = [(1200 – 800)/800] × 100 = 50% Or, P = 50 Desired selling price = 800 × 1.59 = Rs. 1272
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