PracticeMedium
Q.A can contains a mixture of two liquids A and B is the ratio 7:5. When 9 liters of mixture 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
10
b
20
c
21
d
25
Correct Answer: Option C
The correct solution involves applying the fundamental concept to derive the final value step by step...