The dairy condensed milk has only 20% water while the cow milk has 90% water. How many litres of milk maid will be obtained from 72 litres of milk? Choose the most appropriate option
A) 2  B) 7  C) 6  D) 9  E) 8
Explanation:   In this question, Pure milk in condensed milk = Pure milk in cow milk   80% (x) = 10% (72)   Therefore, x = 9 Liters.   Answer:9
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The dairy condensed milk has only 20% water while the cow milk has 90% water. How many litres of milk maid will be obtained from 72 litres of milk?