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A body takes 5 minutes for cooling from ...

A body takes 5 minutes for cooling from `50^(@)C ` to `40^(@)C` Its temperature comes down to `33.33^(@)C` in next 5 minutes. Temperature of surroundings is

A

`15^@C`

B

`20^@C`

C

`25^@C`

D

`10^@C`

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The correct Answer is:
B
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