When malar woke up her temperature was 102°F. Two hours later it was 3° lower, what was her temperature then?

When kala woke up, her body temperature was 102°F. She took medicine for fever. After 2 hours it was 2°F lower, What was her temperature then?

At 10.00 A.M. a woman took a cup of hot instant coffe from her microwave oven and placed it on a nearby Kitchen counter to cool. At this instant the temperature of the coffee was 180^(@)F , and 10 minutes later it was 160^(@)F . Assume that constant temperature of the kitchen was 70^(@)F . (i) What was the temperature of the coffee at 10.15 A.M. ?

An air bubble of volume 1.0cm^(3) rises from the bottom of a lake 40 m deep at a temperature of 12^(@)C . To what volume does it grow when it reaches the surface which is at a temperature of 35^(@)C ?

The velocity of sound in air at a particular temperature is 330ms^(-1) . What will be its value when temperature is doubled and the pressure is halved?