मराठी

Complete the given tables and draw a graph. x 0 1 2 3 y = 3x + 1 1 4 - - - Mathematics

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प्रश्न

Complete the given table and draw a graph.

x 0 1 2 3
y = 3x + 1 1 4 - -
तक्‍ता पूर्ण करा
आलेख
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उत्तर

x 0 1 2 3
y = 3x + 1 1 4 7 10

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पाठ 12: Introduct To Graphs - Exercise [पृष्ठ ३८०]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 8
पाठ 12 Introduct To Graphs
Exercise | Q 48. (a) | पृष्ठ ३८०

संबंधित प्रश्‍न

This bar graph shows the maximum temperatures in degrees Celsius in different cities on a certain day in February. Observe the graph and answer the questions.

  1. What data is shown on the vertical and the horizontal lines?
  2. Which city had the highest temperature?
  3. Which cities had equal maximum temperatures?
  4. Which cities had a maximum temperature of 30° C?
  5. What is the difference between the maximum temperatures of Panchgani and Chandrapur?

The names of the heads of some families in a village and the quantity of drinking water their family consumes in one day are given below. Draw a bar graph for this data.
(Scale: On Y-axis, 1cm = 10 litres of water)

Name Ramesh Shobha Ayub Julie Rahul
Litres of water used 30 litres 60 litres 40 litres 50 litres 55 litres

The table below gives the number of children who took part in the various items of the talent show as part of the annual school gathering. Make a bar graph to show this data.

(Scale: on Y-axis, 1cm = 4 children)

Programme Theatre Dance Vocal music Instrumental music One-act plays
No. of students 24 40 16 8 4

The number of customers who came to a juice centre for one week is given in the table below. Make two different bar graphs to show this data. (Scale: on Y-axis, 1cm = 10 customers, on Y - axis, 1cm = 5 customers)

Type of juice Orange Pineapple Apple Mango Pomegranate
No. of Customers 50 30 25 65 10

Yashwant gives different amounts of time as shown below, to different exercises he does during the week. Draw a bar graph to show the details of his schedule using an appropriate scale.

Type of exercise Running Yogasanas Cycling Mountaineering Badminton
Time 35 Minutes 50 minutes 1 hr 10 min `1 1/2` hours 45 minutes

Write the names of four of your classmates. Beside each name, write his/her weight in kilograms. Enter this data in a table like the above and make a bar graph.


The following data gives total marks (out of 600) obtained by six children of a particular class. Represent the data on a bar graph.

Students Ajay Bali Dipti Faiyaz Geetika Hari
Marks Obtained  450 500 300 360 400 540

Read the given Bar Graph which shows the percentage of marks obtained by Brinda in different subjects in an assessment test.

Observe the Bar Graph and answer the following questions.
(i) 1 Unit = __________% of marks on vertical line.
(ii) Brinda has scored maximum marks in __________ subject.
(iii) Brinda has scored minimum marks in __________ subject.
(iv) The percentage of marks scored by Brinda in Science is __________.
(v) Brinda scored 60% marks in the subject __________.
(vi) Brinda scored 20% more in __________ subject than __________ subject.


A bar graph can be drawn using ______________


The score card of the players in a cricket match is given.

Player Name Score
Kannan 60
Rohit 40
Babu 50
Ramu 10

Draw a Bar diagram


The cost of a note book is Rs 10. Draw a graph after making a table showing cost of 2, 3, 4, .... note books. Use it to find

  1. the cost of 7 notebooks. 
  2. the number of note books that can be purchased with Rs 50.

The cost of a notebook is Rs 10. Draw a graph after making a table showing cost of 2, 3, 4, .... notebooks. Use it to find the number of note books that can be purchased with Rs 50


A survey of 120 school students was done to find which activity they prefer to do in their free time.

Preferred activity Number of students
Playing 45
Reading story books 30
Watching TV 20
Listening to music 10
Painting 15

Draw a bar graph to illustrate the above data taking a scale of 1 unit length = 5 students.

Which activity is preferred by most of the students other than playing?


The following table shows the number of bicycles manufactured in a factory from the years 1998 to 2002. Illustrate this data using a bar graph. Choose a scale of your choice.

Years Number of bicycles manufactured
1998 800
1999 600
2000 900
2001 1100
2002 1200
  1. In which year was the maximum number of bicycles manufactured?
  2. In which year was the minimum number of bicycles manufactured?

The number of people in various age groups in a town is given in the following table.

Age group 1-14 15-29 30-44 45-59 60-74 75 and above
Number of persons 2 lakhs

1 lakh
60 thousand

1 lakh
20 thousand

1 lakh
20 thousand

80 thousand 40
thousand

Draw a bar graph to represent the above information and answer the following questions. (take 1 unit length = 20 thousands)

  1. Which two age groups have the same population?
  2. All persons in the age group of 60 and above are called senior citizens. How many senior citizens are there in the town?

What is the primary characteristic that distinguishes bar graphs from other forms of data representation?


A bar graph shows Gujiya (13 students), Jalebi (6 students), and Barfi (3 students). Which sweet is least preferred based on bar height?


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