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प्रश्न
Sum of all the central angles in a pie chart is 360°.
विकल्प
True
False
उत्तर
This statement is True.
Explanation:
A pie chart is a circular graph, therefore just like any other circle the sum of all its central angles is 360°.
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संबंधित प्रश्न
The sales of salesmen in a week are given in the pie diagram. Study the diagram and answer the following questions. If the total sale due to salesmen A is Rs. 18,000, then
a) Find the total sale.
b) Find the sale of each salesman.
c) Find the salesman with the highest sale.
d) Find the difference between the highest sale and the lowest sale.
The adjoining pie chart gives the marks scored in an examination by a student in Hindi, English, Mathematics, Social Science and Science. If the total marks obtained by the students were 540, answer the following questions.
- In which subject did the student score 105 marks?
(Hint: For 540 marks, the central angle = 360°. So, for 105 marks, what is the central angle?) - How many more marks were obtained by the student in Mathematics than in Hindi?
- Examine whether the sum of the marks obtained in Social Science and Mathematics is more than that in Science and Hindi.
(Hint: Just study the central angles)
The age group and number of persons, who donated blood in a blood donation camp is given below. Draw a pie diagram from it.
|
Age group (Yrs) |
20 - 25 |
25 - 30 |
30 - 35 |
35 - 40 |
|
No. of persons |
80 |
60 |
35 |
25 |
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 |
Following is the break up of the expenditure of a family on different items of consumption:
| Items | Food | Clothing | Rent | Education | Fuel etc. | Medicine | Miscellaneous |
| Expenditure (in Rs) | 1600 | 200 | 600 | 150 | 100 | 80 | 270 |
Draw a pie-diagram to represent the above data.
Draw a pie-diagram for the following data of the investment pattern in a five year plan:
| Agriculture | Irrigation and Power | Small Industries | Transport | Social service | Miscellaneous |
| 14% | 16% | 29% | 17% | 16% | 8% |
The following pie-chart shows the number of students admitted in different faculties of a college. If 1000 students are admitted in Science answer the following:
(i) What is the total number of students?
(ii) What is the ratio of students in science and arts?
The following pie-chart shows the monthly expenditure of Shikha on various items. If she spends Rs 16000 per month, answer the following questions:
(i) How much does she spend on rent?
(ii) How much does she spend on education?
(iii) What is the ratio of expenses on food and rent?
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` |
Area under different crops in a certain village is given below. Represent it by pie diagram:
| Crop | Area (in hectare) |
| Jowar | 8000 |
| Wheat | 6000 |
| Sugarcane | 2000 |
| Vegetable | 2000 |
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 marks obtained by a student in an examination are given below:
| Subject | Marks |
| Marathi | 85 |
| Hindi | 80 |
| English | 95 |
| Mathematics | 100 |
| Total | 360 |
Represent the data using pie diagram.
Collect information about the favorite pets of your classmates. Draw bar-graph and pie-chart for the same data
In a pie chart, the total angle at the centre of the circle is ______.
Students of a class voted for their favourite colour and a pie chart was prepared based on the data collected.
Observe the pie chart given below and answer questions based on it.
Which colour received `1/5` of the votes?
Rahul, Varun and Yash are playing a game of spinning a coloured wheel. Rahul wins if spinner lands on red. Varun wins if spinner lands on blue and Yash wins if it lands on green. Which of the following spinner should be used to make the game fair?
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?
In a pie chart two central angles can be of 180°.
Shoes of the following brands are sold in Nov. 2007 at a shoe store. Construct a pie chart for the data.
| Brand | Number of pair of shoes sold |
| A | 130 |
| B | 120 |
| C | 90 |
| D | 40 |
| E | 20 |
The following data represents the approximate percentage of water in various oceans. Prepare a pie chart for the given data.
| Pacific | 40% |
| Atlantic | 30% |
| Indian | 20% |
| Others | 10% |
