0.1 m3 of water at 80 °C is mixed with 0.3 m3 of water at 60 °C. The final temperature of the mixture is?

Question

0.1 m³ of water at 80 °C is mixed with 0.3 m³ of water at 60 °C. The final temperature of the mixture is?

70 °C

60 °C

75 °C

65 °C

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