400 oranges were bought at ₹1250 per hundred and were sold at a profit of ₹1000. Find the selling price (in ₹) per dozen of oranges.
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Correct answer: A
Explanation
The correct answer is option 1 i.e. 180 .
Cost price per 100 = ₹1250
Cost price per orange = 1250 ÷ 100 = ₹12.50
Cost for 400 oranges = 12.50 × 400 = ₹5000
Profit = ₹1000
Total selling price = 5000 + 1000 = ₹6000
Selling price per orange = 6000 ÷ 400 = ₹15
Selling price per dozen = 15 × 12 = ₹180