If a liquid takes `30` seconds in cooling of `80^(@)C` to ` 70^(@)C` and `70` seconds in cooling `60^(@)C` to `50^(@)C`, then find the room temperature.

A body cools from 70^(@)C to 60^(@)C in 8minute The same body cools from 60^(@)C to 50^(@)C in .

A body takes 5 minute to cool from 65^(@) C to 60^(@) C and 7 minute to cool from 60^(@)C to 55 ^(@) C . find out the room temperature and the time it will take to cool 55 ^(@) C to 50^(@) C.

A hot liquid takes 10 minute to cool from 70^(@)C to 60^(@)C . The time taken by the liquid to cool from 60^(@)C to 50^(@)C is

A body takes 4 minutes to cool from 100^(@)C to 70^(@)C . To cool from 70^(@)C to 40^(@)C it will take (room temperture os 15^(@)C )

A body takes 4 minutes to cool from 100^(@)C to 70^(@)C . To cool from 70^(@)C to 40^(@)C it will take (room temperture os 15^(@)C )

A liquid cools down from 70^(@)C to 60^(@)C in 5 minutes. The time taken to cool it from 60^(@)C to 50^(@)C will be

A liquid cools down from 70^(@)C to 60^(@)C in 5 minutes. The time taken to cool it from 60^(@)C to 50^(@)C will be