If a vendor sells apples at Rs 170 per kg he suffers 15% loss. If he sells at Rs 230 per kg, then what is his profit percentage?
Let cost price of 1 kg of apples = Rs. $$100x$$
Loss % = 15%
=> Selling price = $$\frac{85}{100} \times 100x=170$$
=> $$85x=170$$
=> $$x=\frac{170}{85}=2$$
Thus, cost price = $$100\times2=Rs.$$ $$200$$
If selling price = Rs. 230
=> Profit % = $$\frac{230-200}{200} \times 100$$
= $$\frac{30}{2}=15\%$$
=> Ans - (A)
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