1.

Pail A and Pail B contain \[60l\] of water altogether. Pail A and Pail C contain \[75\,l\] of water altogether. If Pail A contains half as much water as Pail B, how much water is there in the three pails altogether?

A.  \[20\,l\]                       
B.  \[55\,l\]           
C.  \[115\,l\]         
D.       \[40\,l\]
Answer» D.       \[40\,l\]


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