हिंदी

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 the cost of 7 notebooks. - Mathematics

Advertisements
Advertisements

प्रश्न

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.
तालिका पूरा करें
आलेख
Advertisements

उत्तर

Let x: number of notebooks

y: cost of a notebook

x 1 2 3 4 5 6 7 8
y 10 20 30 40 50 60 70 80


a. The cost of 7 notebooks is aqua to the ordinate of the point (7, 70), i.e. cost of 7 notebooks = Rs 70

b. The number of notebooks that can be purchased with Rs 50 is equal to the abscissa of the point (5, 50).

Hence, 5 notebooks can be purchased with Rs 50.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 12: Introduct To Graphs - Exercise [पृष्ठ ३८०]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics [English] Class 8
अध्याय 12 Introduct To Graphs
Exercise | Q 46. | पृष्ठ ३८०

संबंधित प्रश्न

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

Students planted trees in 5 villages of Sangli district. Make a bar graph of this data. (Scale: on Y-axis, 1cm = 100 trees)

Name of place Dudhgaon Bagni Samdoli Ashta Kavathepiran
No. of trees planted 500 350 600 420 540

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 fruits liked by the students of a class are as follow: Draw a Bar Graph for this data.

Fruits Bananas Grapes Apples Mangoes Guavas Papayas Other fruits
Number of
students
8 10 8 7 12 3 2

The table shows the number of moons that orbit each of the planets in our solar system.

Planet Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
Number
of Moons
0 0 1 2 28 30 21 8

Make a Bar graph for the above data


The bar chart represents the number of students using different modes of transport. Observe and answer the following questions.

Questions
a. Which mode of transport is mostly used by the students? _____________

b. How many students come to school by walk? ____________

c. Which mode of transport is used the least? ____________

d. How many students come to school by bus? ____________


Data was collected on a student’s typing rate and graph was drawn as shown below. Approximately how many words had this student typed in 30 seconds?


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


Complete the given table and draw a graph.

x 0 1 2 3
y = 3x + 1 1 4 - -

Draw a graph for the radius and circumference of circle using a suitable scale.

(Hint: Take radius = 7, 14, 21 units and so on)

From the graph,

  1. Find the circumference of the circle when radius is 42 units.
  2. At what radius will the circumference of the circle be 220 units?

The following table gives the data of number of schools (stage-wise) of a country in the year 2002.

Stage Number of schools (in thousands)
Primary 80
Upper Primary 55
Secondary 30
Higher Secondary 20

Draw a bar graph to represent the above data:


Home appliances sold by a shop in one month are given as below:

Home appliance Number of home appliances
Refrigerator 75
Television 45
Washing Machine 30
Cooler 60
DVD Player 30

Draw a bar graph to represent the above information.


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


A nursery has 70 Mogara plants, and the scale chosen is 1 cm = 10 plants. What should be the height of the bar representing Mogara?


In a vertical bar graph, what type of information is conventionally represented on the X-axis (Horizontal Axis)?


Which element is classified as representing the "numerical values (frequency, amount, or measure)" in a bar graph?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×