Aptitude - Alligation or Mixture - Discussion

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Q.

A can contains a mixture of two liquids A andB in the ratio 7: 5. When9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7: 9. How many litres of liquid A was containedby the can initially?. [Railways 1988]  .                          
A. 25 B. 20
C. 0:00 D. 10

Answer: Option C
Explaination:

 


Discussion

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