1.

A vessel contains a solution of two liquids A and B in the ratio 5 : 3. When 10 liters of the solution is taken out and replaced by the same quantity of B, the ratio of A and B in the vessel becomes 10 : 11. The quantity (in litres) of the solution, in the vessel, was ______.

A. 44
B. 42
C. 48
D. 52
Answer» C. 48


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