JEE Main 27 July 2021 Shift 1 Solved Paper
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Question : 20 of 90
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A body takes 4 min. to cool from 61° C to 59°C. If the temperature of the surroundings is 30°C, the time taken by the body to cool from 51°C to 49° C is :
[27 Jul 2021 Shift 1]
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