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प्रश्न
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.
If 400 students voted in all, then how many did vote ‘Others’ colour as their favourite?
विकल्प
6
20
24
40
उत्तर
24
Explanation:
If total number of votes = 400
Then, number of votes in favour of ‘Others’ = 6% of 400
= `6/100 xx 400`
= `3/50 xx 400`
= 24
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संबंधित प्रश्न
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 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 |
Find the correct answer from the alternatives given.
The persons of O - blood group are 40%. The classification of persons based on blood groups is to be shown by a pie diagram. What should be the measures of angle for the persons of O - blood group?
The number of hours, spent by a school boy on different activities in a working day, is given below:
| Activities | Sleep | School | Home | Play | Others | Total |
| Number of hours | 8 | 7 | 4 | 2 | 3 | 24 |
Present the information in the form of a pie-chart.
Draw a pie-diagram for the following data of expenditure pattern in a family:
| Items | Food | Clothing | Rent | Education | Unforeseen events | Midicine |
| Expenditure (in percent) | 40% | 20% | 10% | 10% | 15% | 5% |
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` |
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|
Construction
|
Traffic | Aircraft take offs | Industry | Trains |
| 10% | 50% | 9% | 20% | 11% |
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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 |
| 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` |
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
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| A | 130 |
| B | 120 |
| C | 90 |
| D | 40 |
| E | 20 |
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- Housing
- Food (including eating out)
- Car loan and Maintenance
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