Test Academy | A cup of coffee cools from 908C to 808C in t minutes, when the room temperature is 208C. The time taken by a similar cup of coffee to cool from 808C to 608C at a room temperature same at 208C is : 13/10 t, 13/5 t, 10/13 t, 5/13 t

Question

A cup of coffee cools from 908C to 808C in t minutes, when the room temperature is 208C. The time taken by a similar cup of coffee to cool from 808C to 608C at a room temperature same at 208C is :

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