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Question
The pie diagram in figure shows the proportions of different workers in a town. Answer the following question with its help.
If the total workers is 10,000; how many of them are in the field of construction ?
Solution
Number of workers working in the field of construction
= 2000
RELATED QUESTIONS
Subjectwise marks obtained by a student in an examination are given below
| Subject | Marks |
| Marathi | 85 |
| Hindi | 85 |
| Science | 90 |
| Mathematics | 100 |
| Total | 360 |
Draw pie diagram
Area under different crops in a certain village is given below. Represent it by a pie diagram :
| Corps | Area (in Hectares) |
| Jowar | 80 |
| Wheat | 20 |
| Sugarcane | 60 |
| Vegetables | 20 |
Draw a pie chart showing the following information. The table shows the colours preferred by a group of people.
| Colours | Number of people |
| Blue | 18 |
| Green | 9 |
| Red | 6 |
| Yellow | 3 |
| Total | 36 |
Find the proportion of each sector. For example, blue is `18/36 = 1.2` ; green is `9/36 = 1/4` and so on. Use this to find the corresponding angles.
In a tree plantation programme, the number of trees planted by students of different classes is given in the following table. Draw a pie diagram showing the information.
| Standard | 5th | 6th | 7th | 8th | 9th | 10th |
| No. of trees | 40 | 50 | 75 | 50 | 70 | 75 |
Find the correct answer from the alternatives given.
Different expenditures incurred on the construction of a building were shown by a pie diagram. The expenditure Rs 45,000 on cement was shown by a sector of central angle of 75°. What was the total expenditure of the construction ?
The following table shows how a student spends his pocket money during the course of a month. Represent it by a pie-diagram.
| Items | Food | Entertainment | Other expenditure | Savings |
| Expenditure | 40% | 25% | 20% | 15% |
Draw a pie-diagram representing the relative frequencies (expressed as percentage) of the eight classes as given below:
12.6, 18.2, 17.5, 20.3, 2.8, 4.2, 9.8, 14.7
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.
The following table shows the daily supply of electricity to different places in a town. To show the information by a pie diagram, measures of central angles of sectors are to be decided.
Complete the following activity to find the measure :
| Places |
Supply of electricity |
Measure of central angle |
| Roads | 4 | `4/30 xx 360 = 48^circ` |
| Factories | 12 | `square/square xx 360 = 144^circ` |
| shops | 6 | `6/30 xx 360 = square` |
| Houses | 8 | `square/square xx 360 = square` |
| Total ⇒ | 30 | `square` |
The pie diagram in figure shows the proportions of different workers in a town. Answer the following question with its help.
How many workers are working in the administration ?
On an environment day, students in a school planted 120 trees under plantation project. The information regarding the project is shown in the following table. Show it by a pie diagram.
|
Tree name
|
Karanj | Behada | Arjun | Bakul | Kadunimb |
| No. of trees | 20 | 28 | 24 | 22 | 26 |
Subjective marks obtained by a student in an examination are given below:
| Subject | Marks |
| Marathi | 85 |
| English | 90 |
| Science | 85 |
| Mathematics | 100 |
| Total | 360 |
Draw a pie diagram to represent the above data.
The number of hours, spent by a school boy in different activities in a day is given below :
| Activity | Sleep | School | Play | Homework | Others | Total |
| Number of Hours | 7 | 7 | 2 | 4 | 4 | 24 |
Represent the above information using a pie diagram.
Write down the percentage of content in human body from the given pie-chart.
| Age group (in years) |
No. of Persons | Measure of central angle |
| 20 – 25 | 80 | `square/200 xx 360^circ = square` |
| 25 – 30 | 60 | `60/200 xx 360^circ = square` |
| 30 – 35 | 35 | `35/200 xx square = 63^circ` |
| 35 – 40 | 25 | `25/200 xx 360^circ = square` |
| Total | 200 | `square` |
Sum of all the central angles in a pie chart is 360°.
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
