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

A body cools from 100^@C to 70^@C in 4 minute. If the room temperature is 15^@C the time taken to cool from 70^@C to 40^@C will be

A body takes 5 minutes to cool from 90^(@)C to 60^(@)C . If the temperature of the surroundings is 20^(@)C , the time taken by it to cool from 60^(@)C to 30^(@)C will be.

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

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 .

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 body in laboratory takes 4 minutes to cool from 6 1 °C to 59 °C. If the laboratory temperature is 30° C, then the time taken by it to cool from 51 °C to 49 °C will be

A body in laboratory takes 4 minutes to cool from 6 1 °C to 59 °C. If the laboratory temperature is 30° C, then the time taken by it to cool from 51 °C to 49 °C will be

A body takes T minutes to cool from 62^@C to 61^@C when the surrounding temperature is 30^@C . The time taken by the body to cool from 46^@C to 45.5^@C is

A body takes T minutes to cool from 62^@C to 61^@C when the surrounding temperature is 30^@C . The time taken by the body to cool from 46^@C to 45^@C is

A body takes T minutes to cool from 62^@C to 61^@C when the surrounding temperature is 30^@C . The time taken by the body to cool from 46^@C to 45^@C is