Advertisements
Advertisements
Question
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?
Options
6
20
24
40
Solution
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
APPEARS IN
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
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 an examination out of 100 are given below. The total marks obtained in various subjects are as follows:
| Subject | Marks |
| Marathi | 85 |
| English | 85 |
| Science | 90 |
| Mathematics | 100 |
| Total | 360 |
Represent the above data using pie diagram
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 |
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 percentages of various categories of workers in a state are given in the following table.
| Categoies | Culti-vators | Agricultural Labourers | Industrial Workers | Commercial Workers | Others |
| % of workers | 40 | 25 | 12.5 | 10 | 12.5 |
Present the information in the form 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% |
The pie-chart given in the following represents the expenditure on different items in constructing a flat in Delhi. If the expenditure incurred on cement is Rs 112500, find the following:
(i) Total cost of the flat.
(ii) Expenditure incurred on labour.
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.
Observe the adjacent pie diagram. It shows the percentages of number of vehicles passing a signal in a town between 8 am and 10 am
(1) Find the central angle for each type of vehicle.
(2) If the number of two-wheelers is 1200, find the number of all vehicles.
The following table shows causes of noise pollution. Show it by a pie diagram.
|
Construction
|
Traffic | Aircraft take offs | Industry | Trains |
| 10% | 50% | 9% | 20% | 11% |
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 |
Write down the percentage of content in human body from the given pie-chart.
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
A geometric representation showing the relationship between a whole and its parts is a ______.
What is the central angle of the sector representing skin and bones together?
Given below is a pie chart showing the time spend by a group of 350 children in different games. Observe it and answer the questions that follow:
- How many children spend at least one hour in playing games?
- How many children spend more than 2 hours in playing games?
- How many children spend 3 or lesser hours in playing games?
- Which is greater — number of children who spend 2 hours or more per day or number of children who play for less than one hour?
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% |
