1.

One litre of water at \[30{}^\circ C\] is mixed with one litre of water a\[50{}^\circ C\]. The temperature of the mixture will be

A.  \[80{}^\circ C\]
B.  more than \[50{}^\circ C\] but less than \[80{}^\circ C\]
C.   \[20{}^\circ C\]
D.   between\[30{}^\circ C\] and \[50{}^\circ C\]
Answer» E.


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