Question
A shopkeeper mixes 80 liters of milk at ₹30 per liter
with 60 liters of water. He sells the mixture at ₹25 per liter. Find the profit or loss percentage.Solution
Total cost = 80 × 30 = ₹2400. Selling price = (80 + 60) × 25 = ₹3500. Profit % = ((3500 - 2400)/2400) × 100 = 45.83%. Correct option: c)
Find the simple interest and total amount on ₹6500 at 6% per annum for 4 years.
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