You might have observed the Pie Charts while reading about Budget.The pie chart is a circular chart which is sectors. In a pie chart, the arc length of each sector (and consequently its central angle and area), is proportional to the quantity it represents. As we’ve already said, these charts are more useful while showing the percentages and ratios. Lets discuss these type of problems with an example. The following Pie – Chart shows the different colors of cars using by the 7200 people of a town.
Now the question will be like, How many persons are using RED color cars ? (followed by some options)
Sol : The Number of persons using Red color cars is
so the answer is 1440.