English

Study the double bar graph and answer the questions that follow: What information does the double bar graph represent? Find the total number of boys in all sections of Class VII. In which sections

Advertisements
Advertisements

Question

Study the double bar graph and answer the questions that follow:

  1. What information does the double bar graph represent?
  2. Find the total number of boys in all sections of Class VII.
  3. In which sections, the number of girls is greater than the number of boys?
  4. In which section, the number of boys is the maximum?
  5. In which section, the number of girls is the least?
Graph
Advertisements

Solution

  1. The above graphs show the number of students (boys and girls) in different sections of class VII.
  2. It is clear from the graph, total number of boys in all sections of class VII = Sum of heights of all the bars corresponding to boys in different sections = 15 + 30 + 20 + 20 + 25 = 110
  3. It is clear from the graph that in sections VII A and VII D, the number of girls are greater than the number of boys.
  4. From the graph, it is clear that in section VII B, number of boys is maximum.
  5. From the graph, it is clear that in section VII C, number of girls is minimum.
shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Data Handling - Exercise [Page 87]

APPEARS IN

NCERT Exemplar Mathematics [English] Class 7
Chapter 3 Data Handling
Exercise | Q 81. | Page 87

RELATED QUESTIONS

Use the bar graph (see the given figure) to answer the following question.

Which is the most popular pet?


Read the bar graph (see the given figure) which shows the number of books sold by a bookstore during five consecutive years and answer the questions that follow:

  1. About how many books were sold in 1989? 1990? 1992?
  2. In which year were about 475 books sold? About 225 books sold?
  3. In which years were fewer than 250 books sold?
  4. Can you explain how you would estimate the number of books sold in 1989?

Try yourself

On any one day, choose any three cities and record their temperature from the TV or newspaper.

  • Make a bar chart in your notebook and ask your friends a few questions about it. See if they understand your chart!

In a bar graph, bars of uniform width are drawn vertically only.


In a bar graph, ______ can be drawn horizontally or vertically.


The following bar graph shows the number of houses (out of 100) in a town using different types of fuels for cooking.

Read the bar graph and answer the following questions:

Scale: 1 unit length = 5 houses

  1. Which fuel is used in maximum number of houses?
  2. How many houses are using coal as fuel?
  3. Suppose that the total number of houses in the town is 1 lakh.
    From the above graph estimate the number of houses using electricity.

The bar graph given below represents the circulation of newspapers in different languages in a town.

Study the bar graph and answer the following questions:

Scale: 1 unit length = 200 Newspapers

  1. What is the circulation of English newspaper?
  2. Name the two languages in which circulation of newspaper is the same.
  3. By how much is the circulation of newspaper in Hindi more than the newspaper in Bengali?

Prepare a bar graph of the data given in the question. 

Surname Number of people  = 100 people
Khan
Patel
Rao
Roy
Saikia
Singh

Study the bar graph given below and answer the questions that follow:

  1. What information is depicted from the bar graph?
  2. In which subject is the student very good?
  3. Calculate the average marks of the student.
  4. If 75 and above marks denote a distinction, then name the subjects in which the student got distinction.
  5. Calculate the percentage of marks the student got out of 500.

The data given below shows the production of motorbikes in a factory for some months of two consecutive years.

Months Feb May August October December
2008 2700 3200 6000 5000 4200
2007 2800 4500 4800 4800 5200

Study the table given above and answer the following questions:

  1. Draw a double bar graph using appropriate scale to depict the above information and compare them.
  2. In which year was the total output the maximum?
  3. Find the mean production for the year 2007.
  4. For which month was the difference between the production for the two years the maximum?
  5. In which month for the year 2008, the production was the maximum?
  6. In which month for the year 2007, the production was the least?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×