AC Lim's answer to kinn yong's Primary 4 Maths Singapore question.

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AC Lim
Ac Lim's answer
13087 answers (A Helpful Person)
1st
Not possible to tell. Question didn't mentioned water is filled till the brim at 1st.
The tank volume may be more than 2000 liter. Example 2500L, therefore,1000L is not half full or half empty.