The figures show that the volumes occupied by the liquids correspond, approximately to more than half in bottle A, half in bottle B, and less than half in bottle C.

The only group of fractions that corresponds to these estimates is: $\frac{2}{3}$ (more than half); $\frac{1}{2}$ (half); $\frac{1}{4}$ (less than half).
2 - The figures show that the volumes occupied by the liquids are decreasing numbers. The only possible options are B and E. Since $\frac{3}{3}=1$ and none of the flasks are full, the answer is B.