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Questions  

What will be the final temperature of the mixture when 20 gm of water at 30oC  is mixed with 4 gm of water at  80oC

a
22.15oC
b
38.33oC
c
18.42oC
d
42.62oC

detailed solution

Correct option is B

20.1.(θ−30)=4.1.(80−θ)⇒θ=38.33oC

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