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An object is cooled from 75 ^(@)Cto 65^...

An object is cooled from `75 ^(@)Cto 65^(@)C` in 2 min in a room at `30^(@)C` .the time taken to cool another identical object from `55^(@)C` to `45^(@)C` in the same room , in minutes is

A

4

B

5

C

6

D

7

Text Solution

Verified by Experts

The correct Answer is:
A
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