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How many parts by weight of 40% cream and 3% milk must be mixed to make milk testing 5% fat?(a) 2 and 35(b) 4 and 45(c) 5 and 10(d) 6 and 12I got this question in an interview for job.I'd like to ask this question from Standardization topic in chapter Building Blocks of Dairy Processing of Dairy Engineering

Answer»

The correct answer is (a) 2 and 35

For explanation I would SAY: 2.0 PARTS of 40% cream when MIXED with 35 parts of 3.0% milk will give 37 parts of 5% milk. Calculated USING the Pearson square method.



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