A beaker contains 200 g of water. The heat capacity of the beaker is equal to that of 20 g of water. The initial temperature of water in the beaker is 20 ° C If 440 g of hot water at 92 °C is poured in it, the final temperature (neglecting radiation loss) will be nearest to
a)58 °C
b)68 ° C
c)73 ° C
d)78°c
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Answer:
68
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