Question
A man purchased 100 rolls of paper for Rs. 80 per roll.
He spent Rs. 900 on their transportation. He also paid 50 paise per roll for packing of each roll. At what price must he sell each roll to gain 30% overall?Solution
Effective cost price of 100 rolls of paper = (100 × 80) + 900 + (100 × 0.50) = 8000 + 900 + 50 = Rs. 8950 Selling price at 30% profit = 1.30 × 8950 = Rs. 11635 Therefore, selling price of each roll of paper = 11635/100 = Rs. 116.35
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