A bucket contains a mixture of two liquids AÂ and B in the proportion 7: 5. If 9 litres of theÂ mixture is replaced by 9 litres of liquid B, thenÂ the ratio of the two liquid becomes 7: 9. How much of the liquid A was there in the bucket ?

A bucket contains a mixture of two liquids AÂ and B in the proportio

1.	A bucket contains a mixture of two liquids AÂ and B in the proportion 7: 5. If 9 litres of theÂ mixture is replaced by 9 litres of liquid B, thenÂ the ratio of the two liquid becomes 7: 9. How much of the liquid A was there in the bucket ?
A.	21 litres
B.	15 litres
C.	23 litres
D.	18 litres
Answer» B. 15 litres

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A bucket contains a mixture of two liquids AÂ and B in the proportion 7: 5. If 9 litres of theÂ mixture is replaced by 9 litres of liquid B, thenÂ the ratio of the two liquid becomes 7: 9. How much of the liquid A was there in the bucket ?

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