Question
A shopkeeper sold an article after giving a discount of
25% and made a profit of Rs.40. Find the difference between the marked price and selling price of the article if cost price of the article is Rs.560.Solution
Selling price of the article = 560 + 40 = Rs.600 Marked price of the article = 600/0.75 = Rs.800 Required difference = 800 – 600 = Rs.200
 In the basic Solow model of growth
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