Question
A man purchased 100 rolls of paper for Rs. 50 per roll.
He spent Rs. 800 on their transportation. He also paid 10 paise per roll for packing of each roll. At what price must he sell each roll to gain 20% overall?Solution
Effective cost price of 100 rolls of paper = (100 × 50) + 800 + (100 × 0.10) = 5000 + 800 + 10 = Rs. 5810 Selling price at 20% profit = 1.20 × 5810 = Rs. 6972 Therefore, selling price of each roll of paper = 6972/100 = Rs. 69.72
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