Coffee costing ₹250 per kg was …

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Coffee costing ₹250 per kg was mixed with chicory ₹75 per kg in the ratio 5:2 for a certain blend . If the mixed was sold at ₹ 230 per kg, find the gain or loss per cent.

Posted by Vibhuti Kumari 5 years, 3 months ago

CBSE > Class 08 > Mathematics

1 answers

Sneha Ramparia 5 years, 2 months ago

cost of coffee=250 per kg. cost of chicory =75 per kg coffee: chicory 5:2 if the weight of mixture is 1 kg. 75x+2x=1 ⇒7x=7 ⇒x=1 ∴ weight of coffee = 75x=75 kg weight of chicory = 72x=72 kg cost of 75 kg coffee = 75×250=71250 cost of 72 kg chicory = 72×75=7150 total cost of 1 kg mixture = 71250+7150 cost price of 1 kg mixture = 71400=200 Rs selling of 1 kg minute = 230 Rs gain or loss = CPSP−CP×100=200230−200×100 = 230=15% since its positive, the mixture was sold at a gain of 15%.

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CBSE > Class 08 > Mathematics