40. A milkman has 80% milk in his stock of 1000 litres of adulterated milk. How much 100% pure milk is to added to it so that purity is between 90% and 95%. How much pure milk he should add to his stock to obtain 99% pure milk?

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Saurabh Koranglekar · Answer

Sudhanshu · Answer

Total stock =1000l Pure milk= 800l Milk added = x 90% (90/100)*(1000+x) x>1000 & x x= (1000,3000)

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40. A milkman has 80% milk in his stock of 1000 litres of adulterated milk. How much 100% pure milk is to added to it so that purity is between 90% and 95%. How much pure milk he should add to his stock to obtain 99% pure milk?

40. A milkman has 80% milk in his stock of 1000 litres of adulterated milk. How much 100% pure milk is to added to it so that purity is between 90% and 95%. How much pure milk he should add to his stock to obtain 99% pure milk?

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40. A milkman has 80% milk in his stock of 1000 litres of adulterated milk. How much 100% pure milk is to added to it so that purity is between 90% and 95%. How much pure milk he should add to his stock to obtain 99% pure milk?

40. A milkman has 80% milk in his stock of 1000 litres of adulterated milk. How much 100% pure milk is to added to it so that purity is between 90% and 95%. How much pure milk he should add to his stock to obtain 99% pure milk?

2 Answers

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