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Multiple Choice Questions

A container has 40 l of milk From this 4 l of milk is taken out and replaced with water Now 4 l of m...........

Quantitative Aptitude Mixture and Alligation

A container has 40 l of milk. From this, 4 l of milk is taken out and replaced with water. Now 4 l of mixture is taken out and replaced with water again. Find how much quantity of milk is remaining in the container?

32.4 l

32 l

31.4 l

31 l

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Explanation:

Solution:
4/10 = 1/10 out so remaining = 9/10
The process is repeated 2 times, so multiply it 2 times and multiply it with total quantity also
So (9/10)2 * 40 = 32.4 l

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