Question
Priya sold an article at 20% profit. If the profit
percentage had been numerically equal to CP, then the profit earned would have been 100% more. Find the amount for which Priya sold the article originally.Solution
ATQ, Let the cost price of the article be Rs. 100x. Selling price = Rs. 120x. Original profit = 120x - 100x = Rs. 20x. New profit = 2 × 20x = Rs. 40x. According to the question, 
x = 0.4. Therefore, the original selling price = 120x = Rs.48
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