Profit and loss have been historically tested in every edition of CAT examination. The importance of Arithmetic Questions has been increased, with every passing year in CAT examination. A significant portion of your CAT Online Preparation for Quant revolves around Arithmetic. Make sure you have a good hold on this topic by practicing a lot of questions. Here's one question from CAT 2020 previous years' question paper with a detailed solution.
Question 12 : A person spent Rs 50000 to purchase a desktop computer and a laptop computer. He sold the desktop at 20% profit and the laptop at 10% loss. If overall he made a 2% profit then the purchase price, in rupees, of the desktop is
D = Price of Desktop and L = Price of Laptop
0.2 D – 0.1 L = 2 % of 50000
0.2 D – 0.1 L = 1000
2D – L = 10000
D + L = 50000
Solving D = 20000
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