An object cools down from 90^{\circ} {\C} to 70^{\circ} {\C} in 10 minutes, when room temperature is 30^{\circ} {\C}. The time taken by the object to cool from 70^{\circ} {\C} to 50^{\circ} {\C} is

TS EAMCET Medical 31 Jul 2022 Shift 2 Paper

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An object cools down from 90∘C to 70∘C in 10 minutes, when room temperature is 30∘C. The time taken by the object to cool from 70∘C to 50∘C is

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