Question
A milkman adds water to milk to gain profit. He mixes
water with milk priced at ₹30 per litre to get a final mixture costing ₹25 per litre. What is the ratio of milk to water in the mixture? (Assume water is available free of cost.)Solution
The correct answer is B
A shopkeeper blends 5 kg of coffee at Rs. 12 per kg with 7 kg at Rs. 8 per kg. What is the cost price (in Rs.) of the mixture per kg?
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A merchant mixes 9 kg of beans at Rs. 7 per kg with 6 kg at Rs. 5 per kg. What is the cost price (in Rs.) of the mixture per kg?Â
- An alloy consists of 35% gold, 40% silver, and 25% copper. How much gold should be added to 20 kg of the alloy so that the new alloy contains 50% gold?
