Mixture and Alligation

Quantitative Aptitude ( CCS)

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A person has a chemical of Rs 15 per litre. In what ratio should water be mixed in that chemical so that after selling the mixture at Rs 12/litre he may get a profit of 20%.

1:2

2:1

1:3

3:1

Explanation:

With 20% profit, and SP=12, CP=10
By alligation,
15                    0
           10
10                    5
=>2:1

Hence, option 2 is the correct answer.

By: Amit Kumar

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