It takes 10 minutes to cool a liquid fro...

It takes 10 minutes to cool a liquid from `61^(@)C` to `59^(@)C`. If room temperature is `30^(@)C` then find the time taken in cooling from `51^(@)C` to `49^(@)C`.

A

10 min

B

11 min

C

13 min

D

15 min

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The correct Answer is:

D

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