Question

A body cools down from 80°C to 70°C in 5 mins.The temperature of the body will fall from 70°C to 60°C in a time

a) less than 5 mins
b) equal to 5 mins
c) More than 5 mins
d) Can't say anything like temperature of surrounding is not known

pls explain the answer
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Answer 1

Answer:

option d is the answer for this question