37. 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.21 D.10
Answer: 21
Explanation: Help us to explain question in discussion
