Aptitude - Alligation or Mixture - Discussion

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Q.

How many litres of water should be added to a 30 litre mixture of milk and water containing milk and water in the ratio of 7 : 3 such that the resultant mixture has 40% water in it?  .                          
A. 7 litres B. 10 litres
C. 5 litres D. None of these

Answer: Option C
Explaination:

 


No Explanation




Discussion

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