TS Police SI Mains 2018 Arithmetic and Reasoning

Question 76

The Profit Earned by selling an article for Rs.2500 is equal to 7 times the loss if the same is sold for 2100.Then the selling price of an article in (Rs) to make a profit of 20 percent is

Solution

Let the cost price be CP 

2500 - CP = 7*(CP - 2100) 
8*CP = 17200
CP = 2150 

Now, to earn 20% profit = 1.2*2150 = 2580 


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