Question
Meena bought two articles for Rs. 920. She sold one at a
loss of 15% and another at a profit of 15%. If the selling price of both the articles is equal, then find the difference between their cost prices.Solution
ATQ, Let the cost price of the two articles be Rs. x and Rs. y respectively. Selling price of the first article = 0.85 × x = Rs. 0.85x Selling price of the other article = 1.15 × y = Rs. 1.15y According to the question, 0.85x = 1.15y x/y = 1.15/0.85 = 23/17 Desired difference = (23 – 17)/40 × 920 = 0.15 × 920 = Rs. 138
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