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A body cools from 60^(@)C to 50^(@)C in ...

A body cools from `60^(@)C` to `50^(@)C` in 10 minutes . If the room temperature is `25^(@)C` and assuming Newton's law of cooling to hold good, the temperature of the body at the end of the next 10 minutes will be

A

`38.5^(@)C`

B

`40^(@)C`

C

`42.85^(2)C`

D

`45^(@)C`

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