DAY 17

Comment

'Full' is not concerned with the actual quantity of liquid in each glass but with the proportion of liquid.
For example, glasses A and D contain the same amount of liquid, but A, being a smaller glass, is fuller.

Answer

Glass A.

Readers' methods

E Turpin of Wimslow:
A has more liquid than B and less empty space, so A is fuller than B.
A has more liquid than C and the same empty space, so A is fuller than C.
A has the same liquid as D and less empty space, so A is fuller than D.

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