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A liquid takes 5 minutes to cool from 80...

A liquid takes 5 minutes to cool from `80^@C` to` 50^@C` . How much time will it take to cool from `60^@C` to `30^@C`? The temperature of surroundings is `20^@C`.

A

9 minutes

B

10 minutes

C

11 minutes

D

12 minutes

Text Solution

Verified by Experts

The correct Answer is:
D
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