A body takes 5 minute to cool from 80°C to 50°C. How much time it wi – McqOptions

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1.	A body takes 5 minute to cool from 80°C to 50°C. How much time it will take to cool from 60°C to 30°C, if room temperature is 20°C. [RPET 1998]
A.	40 minute
B.	9 minute
C.	30 minute
D.	20 minute
Answer» C. 30 minute

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