मराठी

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

Advertisements
Advertisements

प्रश्न

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.
आलेख

उत्तर

a. The given bar graph shows marks obtained by a student in different subjects out of 100.

b. Subject in which student is very good, Maths as he scored highest marks, i.e. 82.

c. Average marks = `"Sum of all marks obtained in various subjects"/"Total subjects"`

= `(64 + 75 + 82 + 71 + 49)/5`

= `341/5`

= 68.2%

d. In Hindi and Maths, student got 75 and 82 marks, respectively. since, the Marks equal to 75 or above denote a distinction. Hence, student got distinction in Hindi and Maths.

e. Percentage marks = `"Total marks scored"/"Total marks" xx 100%`

= `341/500 xx 100%`

= 68.2%

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Data Handling - Exercise [पृष्ठ ८२]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics [English] Class 7
पाठ 3 Data Handling
Exercise | Q 75. | पृष्ठ ८२

संबंधित प्रश्‍न

The following table shows the number of Buses and Trucks in nearest lakh units. Draw percentage bar-diagram. (Approximate the percentages to the nearest integer)

Year No. of Trucks No. of Buses
2005-2006 47 9
2007-2008 56 13
2008-2009 60 16
2009-2010 63 18

The graph given below gives the actual and expected sales of cars of a company for 6 months. Study the graph and answer the questions that follow.

  1. In which month was the actual sales same as the expected sales?
  2. For which month(s) was (were) the difference in actual and expected sales the maximum?
  3. For which month(s) was (were) the difference in actual and expected sales the least?
  4. What was the total sales of cars in the months–Jan, Feb. and March?
  5. What is the average sales of cars in the last three months?
  6. Find the ratio of sales in the first three months to the last three months

In a bar graph, each bar (rectangle) represents only one value of the numerical data.


The following graph gives the information about the number of railway tickets sold for different cities on a railway ticket counter between 6.00 am to 10.00 am. Read the bar graph and answer the following questions.

Scale: 1 unit length = 10 tickets

(a) How many tickets were sold in all?
(b) For which city were the maximum number of tickets sold?
(c) For which city were the minimum number of tickets sold?
(d) Name the cities for which the number of tickets sold is more than 20
(e) Fill in the blanks: Number of tickets sold for Delhi and Jaipur together exceeds the total number of tickets sold for Patna and Chennai by ______.


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

(a) What is the circulation of English newspaper?
(b) Name the two languages in which circulation of newspaper is the same.
(c) By how much is the circulation of newspaper in Hindi more than the newspaper in Bengali?


Number of mobile phone users in various age groups in a city is listed below:

Age group (in years) Number of mobile users
1 – 20 25000
21 – 40 40000
41 – 50 35000
61 – 80 10000

Draw a bar graph to represent the above information.


Prepare a bar graph of the data given in 

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

Observe the given bar graph carefully and answer the questions that follow.

  1. What information does the bar graph depict?
  2. How many motor bikes were produced in the first three months?
  3. Calculate the increase in production in May over the production in January.
  4. In which month the production was minimum and what was it?
  5. Calculate the average (mean) production of bikes in 6 months.

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?

In a public library, the following observations were recorded by the librarian in a particular week:

Days Mon Tues Wed Thurs Fri Sat
Newspaper
Readers
400 600 350 550 500 350
Magazines
Readers
150 100 200 300 250 200
  1. Draw a double bar graph choosing an appropriate scale.
  2. On which day, the number of readers in the library was maximum?
  3. What is the mean number of magazine readers?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×