of water at 
is mixed with 
of water at 
. The final temperature of the mixture is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Density of water 
Let the final temperature of the mixture be t.
Assuming no heat transfer to or from container.
Heat lost by water at 
Heat gained by water at 
According to principle of calorimetry
.
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