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Body cools from 60 C to 40 C in a few minutes with surroundings at 10 C: temperature after the next equal interval

The same question, asked 2 times: 29 Jan 2023*, 6 Apr 2023. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    29 Jan 2023

    27
    A body cools from 60∘C60^{\circ}C to 40∘C40^{\circ}C in 6 minutes. If, temperature of surroundings is 10∘C10^{\circ}C. Then, after the next 6 minutes, its temperature will be ____\_\_\_\_  ∘C\ ^{\circ}C.
  2. Question 2

    6 Apr 2023

    107
    A body cools in 7 minutes from 60∘C60^{\circ}C to 40∘C40^{\circ}C. The temperature of the surrounding is 10∘C10^{\circ}C. The temperature of the body after the next 7 minutes will be:

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