Question

The given bar graph shows the number of residents at 6 places. Study the graph and answer the questions.
How many residents were there altogether at six places.

A. 20000
B. 21000
C. 22700
D. 27400

Answer 1

Hint: Firstly we need to study the given graph and from that we get that the scale of the graph to 1 cm =1000 people. as 1 cm can be split into 10 small lines. Each small line is equal to 100 people. Using this we can find the number of people in each place and the total number of people is given by adding all of them.

Step by step solution :
We are given a bar graph

And we can see that the bar graph has a scale of 1 cm = 1000 people
From this we can get that each small line denotes 100 people
Firstly, let see the bar denoting gurgaon
We can see that the bar reaches upto 5 small line after 3000
As 1 small line = 100 people
Here we have 5 small lines . hence its 500 people after 3000
Therefore the number of people in gurgaon is 3500
Now , let see the bar denoting Hari nagar
We can see that the bar reaches upto 1 small line after 4000
As 1 small line = 100 people
Hence its 100 people after 4000
Therefore the number of people in Hari nagar is 4100
Now let see the bar denoting Lajpat nagar
We can see that the bar reaches upto 4 small line after 4000
As 1 small line = 100 people
Here we have 4 small lines . hence its 400 people after 4000
Therefore the number of people in Lajpat nagar is 4400
Now let see the bar denoting Queen’s town
We can see that the bar reaches upto 4 small line after 3000
As 1 small line = 100 people
Here we have 4 small lines . hence its 400 people after 3000
Therefore the number of people in Queenstown is 3400
Now let see the bar denoting Chinatown
We can see that the bar reaches upto 6000
Therefore the number of people in China town is 6000
Now let see the bar denoting Noida
We can see that the bar reaches upto 6000
Therefore the number of people in Noida is 6000
So now the total number of people in all the six towns is given as
$ \Rightarrow 3500 + 4100 + 4400 + 3400 + 6000 + 6000 = 27400$

Therefore the correct answer is option D.

Note:
A bar graph can be defined as a chart or a graphical representation of data, quantities or numbers using bars or strips.
Bar graphs are commonly used in financial analysis for displaying data. A stock volume chart is a commonly used type of vertical bar graph.
Bar charts can be vertical or horizontal. Opt for vertical when your data is chronological or if you have negative values. Horizontal bar charts work best when you have lots of different categories with wordy labels.