A can contains a mixture of two liquids A and B in the ratio 7:5.When – McqOptions

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1.	A can contains a mixture of two liquids A and B in the ratio 7:5.When 9 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 contained by the can initially?
A.	21
B.	19
C.	18
D.	17
Answer» B. 19

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