Q45
A body originally at 60°C cools down to 40°C in 15 minutes when kept in air at a temperature of 25°C. What will be the temperature of the body at the end of 30 minutes?
A.
35.2°C
B.
31.5°C
AnswerC.
28.7°C
D.
15°C
Answer: Option B
Solution
Answer: Option B
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