A liquid taken in a vessel cools from 70^{\circ} {C} to 60^{\circ} {C} in 5 minutes and 60^{\circ} {C} to 50^{\circ} {C} in 7 minutes. The room temperature is :

Auxiliary Nurse Midwife Exam 2019 Solved Paper

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A liquid taken in a vessel cools from 70∘C to 60∘C in 5 minutes and 60∘C to 50∘C in 7 minutes. The room temperature is :

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