Question
The marked price of a laptop is 25% above its cost
price. If the seller offers a 10% discount on the marked price and sells the laptop for Rs. 9000, find the cost price of the laptop.Solution
Let cost price of the laptop = Rs. x Then, marked price of the laptop = x + 25% of x = Rs. 1.25x Selling price of the laptop = 0.90 X 1.25x = Rs. 1.125x ATQ; 1.125x = 9000 Or, 'x' = 9000 ÷ 1.125 Or, 'x' = 8000 Therefore, cost price of the laptop is Rs. 8000.
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