A container contains a mixture of two liquids A and B in the ratio of 7 : 5. When 9 litres of mixture is drawn off and the remaining part of the container is filled with B, the ratio of A to B becomes
7 : 9. How many litres of liquid A did the can contain initially?
A. 21 litres
B. 35 litres
C. 36 litres
D. 38 litres
No comments :
Post a Comment