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A can contains a mixture of two liquids A and B in the ratio 7:5. When 9 liters of mixtures are drawn off and the can is filled with B, the ratio of A and B becomes 7:9. How many liters of liquid A was contained by the can initially?

A can contains a mixture of two liquids A and B in the ratio 7:5. When 9 liters of mixtures are drawn off and the can is filled with B, the ratio of A and B becomes 7:9. How many liters of liquid A was contained by the can initially? সঠিক উত্তর

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A bottle contains a mixture of oil and water in the ratio 3 : 5. When 9 liters of mixture is drawn off and then the bottle is fully filled with water, the ratio of oil and water becomes 3 : 7. How many liters of water was contained by the can initially?
A container contains a mixture of water and alcohol in the ratio  7 : 5. When 18 liters of mixture are drawn off and the container is filled with alcohol, the ratio becomes 7 : 9. How many liters of water was contained by the container initially?
Two liquids A and B are mixed in a bucket in the ratio 7 : 5. If 9 liters of the mixture is replaced by 10 liters of liquid B, the ratio of both the liquids becomes 7 : 9. How many liters of liquid A was in the bucket?