Advertisements
Advertisements
Question
In the following figure, the pie-chart shows the marks obtained by a student in an examination. If the student secures 440 marks in all, calculate his marks in each of the given subjects.
Solution
Marks secured in mathematics = (108 x 440)/360 marks = 132 marks
Marks secured in science = (81 x 440)/360 marks = 99 marks
Marks secured in English = (72 x 440)/360 marks = 88 marks
Marks secured in Hindi = (54 x 440)/360 marks = 66 marks
Marks secured in social science = (45 x 440)/360 marks = 55 marks
APPEARS IN
RELATED QUESTIONS
A survey was made to find the type of music that a certain group of young people liked in a city. Adjoining pie chart shows the findings of this survey.
From this pie chart answer the following:
- If 20 people liked classical music, how many young people were surveyed?
- Which type of music is liked by the maximum number of people?
- If a cassette company were to make 1000 CD’s, how many of each type would they make?
A group of 360 people were asked to vote for their favourite season from the three seasons rainy, winter and summer.
- Which season got the most votes?
- Find the central angle of each sector.
- Draw a pie chart to show this information.
| Season | No. of votes |
| Summer | 90 |
| Rainy | 120 |
| Winter | 150 |
The number of students in a hostel speaking different languages is given below. Display the data in a pie chart.
| Language | Hindi | English | Marathi | Tamil | Bengali | Total |
| Number of students | 40 | 12 | 9 | 7 | 4 | 72 |
The marks obtained by a student in different subjects are shown. Draw a pie diagram showing the information.
| Subject | English | Marathi | Science | Mathematics | Social science | Hindi |
| Marks | 50 | 70 | 80 | 90 | 60 | 50 |
Employees of a company have been categorized according to their religions as given below:
| Religions | Hindu | Muslim | Sikh | Christian | Total |
| Number of workers | 420 | 300 | 225 | 105 | 1080 |
Draw a pie-chart to represent the above information.
Represent the following data by a pie-diagram:
| Items of expenditure | Expenditure | |
| Family A | Family B | |
| Food | 4000 | 6400 |
| Clothing | 2500 | 480 |
| Rent | 1500 | 3200 |
| Education | 400 | 1000 |
| Miscellaneous | 1600 | 600 |
| Total | 10000 | 16000 |
In the following figure, the pie-chart shows the marks obtained by a student in various subjects. If the student scored 135 marks in mathematics, find the total marks in all the subjects. Also, find his score in individual subjects.
Absentees record of a class of 30 children is given in a graph.
(i) In which month there are more absentees?
(ii) In which month there are less absentees?
Collect information about the favorite pets of your classmates. Draw bar-graph and pie-chart for the same data
In the EVS period, the teacher asked children whether they help their parents at home. There were different answers. Children named the work in which they help their parents the most. The teacher collected their answers and made a table.
| Help most in housework | Number of children |
| Going to the market | 47 |
| Washing utensils | 15 |
| Washing clothes | 3 |
| Marking serving food | 25 |
| Cleaning the house | 10 |
| Total children who said they help their parents |
Now you can fill the chapati chart to show the numbers given in the table.
Look and find out
Children who help in making or serving food are
In a pie chart, the total angle at the centre of the circle is ______.
The following pie chart represents the distribution of proteins in parts of a human body. What is the ratio of distribution of proteins in the muscles to that of proteins in the bones?
Data represented using circles is known as ______.
In a pie chart a whole circle is divided into sectors.
The central angle of a sector in a pie chart cannot be more than 180°.
In a district, the number of branches of different banks is given below:
| Bank | State Bank of India |
Bank of Baroda |
Punjab National Bank |
Canara Bank |
| Number of Branches | 30 | 17 | 15 | 10 |
Draw a pie chart for this data.
A survey was carried out to find the favourite beverage preferred by a certain group of young people. The following pie chart shows the findings of this survey.
From this pie chart answer the following:
- Which type of beverage is liked by the maximum number of people.
- If 45 people like tea, how many people were surveyed?
Following is a pie chart showing the amount spent in rupees (in thousands) by a company on various modes of advertising for a product.
Now answer the following questions.
- Which type of media advertising is the greatest amount of the total?
- Which type of media advertising is the least amount of the total?
- What percent of the total advertising amount is spent on direct mail campaigns?
- What percent of the advertising amount is spent on newspaper and magazine advertisements?
- What media types do you think are included in miscellaneous? Why aren’t those media types given their own category?
- Television
- Newspapers
- Magazines
- Radio
- Business papers
- Direct mail
- Yellow pages
- Outdoor
- Miscellaneous
