Question

Aditya is in the process of making an ice cream. He has heated all the ingredients to 60°C and put them in a
refrigerator to freeze. If the cooling rate is 15°C per hour, what will be the temperature in freezer after 6 hours ?
a. -20°C
b. -40°C
C. -10°C
d. -30°C​

Answer 1

15°C×8 hours=90°C

60°C-90°C=-30°C