1.

A milkman mixes 20 litres of water with 80 litres of milk. After selling one-fourth of this mixture, he adds water to replenish the quantity that he had sold. What is the current proportion of water to milk?

A. 2 : 3
B. 1 : 2
C. 1 : 3
D. 3 : 4
Answer» B. 1 : 2


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