A body cools down from `45^(@)C` to `40^(@)C` in 5 minutes and to `35^(@)` in another 8 minutes. Find the temperature of the surrounding.

A body cools down from 50^(@)C to 45^(@)C in 5 minutes and to 40^(@)C in another 8 minutes. Find the temperature of the surrounding.

A body cools from 62^(@)C to 50^(@)C in 10 minutes and to 42^(@)C in the next 10 minutes. Find the temperature of surroundings.

A body cools down from 52.5^(@) C to 47.5^(@)C in 5 min and to 42.5^(@) C in 7.5 min. Find the temperature of the surroundings.

A liquid cools from 50^(@)C to 45^(@)C in 5 minutes and from 45^(@)C to 41.5^(@)C in the next 5 minutes. The temperature of the surrounding is

Certain quantity of water cools from 70^(@)C to 60^(@)C in the first 5 minutes and to 54^(@)C in the next 5 minutes. The temperature of the surrounding is

A body cools in 10 min from 60^(@) C to 40^(@) C and to 42.5^(@) C in 7.5 min. Find the temperature of the surroundings.

If a metallic sphere gets cooled from 62^(@)C to 50^(@)C in minutes 10 and in the next 10 minutes gets cooled to 42^(@)C , then the temperature of the surroundings is

A body takes 5 minutes for cooling from 50^(@)C to 40^(@)C Its temperature comes down to 33.33^(@)C in next 5 minutes. Temperature of surroundings is

A body cools down from 65^(@)C to 60^(@)C in 5minutes. It will cool down from 60^(@)C to 55^(@)C in

A black body calorimeter filled with hot water cools from 60^(@)C to 50^(@)C in 4 min and 40^(@)C to 30^(@)C in 8min . The approximate temperature of surrounding is :