1.

The milk and water in two vessels are in the ratio of 3 : 1 and 7 : 11 respectively. In what ratio should the liquid in both the vessels be mixed to obtain a new mixture containing half milk and half water?

A. 5 : 7
B. 4 : 9
C. 1 : 1
D. 4 : 7
Answer» C. 1 : 1


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