For the following questions answer them individually
The following table shows the total sale of cars of four companies from 2015 to 2018.
In which year was the total number of cars sold by these four companies taken together the maximum?
The following graph shows the number of cars of different colours in a society.
What is the approximate percentage of white colour cars out of all cars in the society?
An alloy contains 30 percent aluminum. What quantity of alloy will have 300 gm of aluminum?
The mean of five numbers is 45. If a sixth number is also included, the mean becomes 48. Find the sixth number.
The study of human populations including their size, composition and distribution across space and the process through which populations change is called ______.