Question 1
A thermometer reading -7°C is brought into a room kept at 23°C. Half a minute later the thermometer reads 8°C. What is the temperature reading of the thermometer after a further two and a half minutes?
◦ 28.5°C
◦ 15.5°C
◦ 12.5°C
◦ 32.5°C
◦ 22.5°C
Question 2
The 2000 census recorded a population of 16.1 million in a certain country, while in 2010 the figure was 32.8 million. Assuming that the rate of population growth is proportional to the population, predict the population in the year 2015.
◦ 39.8 million
◦ 36.8 million
◦ 41.8 million
◦ 46.8 million
◦ 52.8 million