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

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 cup of tea cools from 65.5^@ C to 62.55^@C in one minute is a room at 225 .^@C. How long will the same cup of tea take to cool from 46.5^@C to 40.5^@C in the same room ? (Choose the nearest value in min).

A cup of tea cools from 65.5^@ C to 62.55^@C in one minute is a room at 225 .^@C. How long will the same cup of tea take to cool from 46.5^@C to 40.5^@C in the same room ? (Choose the nearest value in min).

A cup of tea cools from 65.5^@ C to 62.55^@C in one minute is a room at 22.5 ^@C. How long will the same cup of tea take to cool from 46.5^@C to 40.5^@C in the same room ? (Choose the nearest value in min).

A body takes 8 minutes to cool from 90^(@) C to 80^(@) C in a surrounding of temperature 25^(@) C. The time taken by it to cool from 80^(@)C " to" 70^(@) C in the same surroundings is

A cup of tea cools from 65.5^@C " to " 62.5^@C in 1 minute in a room at 22.5^@C How long will it take to cool from 46.5^@C " to " 40.5^@C C in the same

A body takes, 4 minutes to cool from 100^(@)C to 70^(@)C , if the room temperature is 25^(@)C , then the time taken to cool from 70^(@)C to 40^(@)C will be