Question : A fruit seller buys oranges at the rate of Rs. 10 per dozen and sells at the rate of Rs. 12 per dozen. Calculate his percentage gain.
Option 1: $20\%$
Option 2: $15\%$
Option 3: $12\%$
Option 4: $8\frac{1}{3}\%$
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Correct Answer: $20\%$
Solution :
Given: Cost price (CP) of 12 oranges = Rs. 10
Selling price (SP) of 12 oranges = Rs. 12
Profit = SP – CP = 12 – 10 = Rs. 2
Profit % = $\frac{\text{Profit}}{\text{CP}} × 100=\frac{2}{10} × 100= 20\%$
Hence, the correct answer is 20%.
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