Mixture and Alligation

Quantitative Aptitude ( CCS) Mathematics - All Exams

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A 56 litre mixture contains milk and water in the ratio of 5 : 2 . How much water should be added to the mixture so as make the resultant mixture containing 40% water in it?

35/6 l

40/3 l

29/3 l

32/3 l

Explanation:

Solution:
In 56 l, milk = 5/(5+2) * 56 = 40 l, so water = 56 – 40 = 16 l
Final ratio of milk to water will be = 60 : 40 = 3 : 2
Let x litres of water to be added. So
40/(16+x) = 3/2
Solve, x = 32/3 l

By: Pranav Gupta

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