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प्रश्न
Use the bar graph (see the given figure) to answer the following question.
How many students have dog as a pet?
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उत्तर
The number of students having dog as a pet is 8.
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संबंधित प्रश्न
Plot the points (2, 8), (7, 8) and (12, 8). Join these points in pairs. Do they lie on a line? What do you observe?
The following table shows the number of Buses and Trucks in nearest lakh units. Draw percentage bar-diagram. (Approximate the percentages to the nearest integer)
| Year | No. of Trucks | No. of Buses |
| 2006-2007 | 47 | 9 |
| 2007-2008 | 56 | 13 |
| 2008-2009 | 60 | 16 |
| 2009-2010 | 63 | 18 |
Practice time: Afterschool
Ask 10 of your friends about what they like to do most after school.
| What they like to do after school |
Number of children |
| Watching TV | |
| Playing football | |
| Reading storybooks | |
In a bar graph, each bar (rectangle) represents only one value of the numerical data.
Read the bar graph given below and answer the following questions:
Scale: 1 unit = 50 students
- What information is given by the bar graph?
- In which year is the number of students maximum?
- In which year is the number of students twice as that of 2001 – 02?
- In which year did the number of students decrease as compared to previous year?
- In which year is the increase in number of students maximum as compared to the previous year?
Number of mobile phone users in various age groups in a city is listed below:
| Age group (in years) | Number of mobile users |
| 1 – 20 | 25000 |
| 21 – 40 | 40000 |
| 41 – 50 | 35000 |
| 61 – 80 | 10000 |
Draw a bar graph to represent the above information.
| Crop | Area of land (in million hectares) |
| Rice | 50 |
| Wheat | 30 |
| Pulses | 20 |
| Sugarcane | 25 |
| Cotton | 15 |
Prepare a bar graph of the data.
Study the bar graph given below and answer the questions that follow.
- What information does the above bar graph represent?
- In which year was production the least?
- After which year was the maximum rise in the production?
- Find the average production of rice during the 5 years.
- Find difference of rice production between years 2006 and 2008.
Observe the following data:
| Government School, Chandpur | ||
| Daily Attendance | Date: 15.4.2009 | |
| Class | Total Students | Number of Students Present on that Day |
| VI | 90 | 81 |
| VII | 82 | 76 |
| VIII | 95 | 91 |
| IX | 70 | 65 |
| X | 63 | 62 |
- Draw a double bar graph choosing an appropriate scale. What do you infer from the bar graph?
- Which class has the maximum number of students?
- In which class, the difference of total students and number of students present is minimum?
- Find the ratio of number of students present to the total number of students of Class IX.
- What per cent of Class VI students were absent?
The table below gives the data of tourists visiting 5 hill stations over two consecutive years. Study the table and answer the questions that follow:
| Hill stations | Nainital | Shimla | Manali | Mussoorie | Kullu |
| 2008 | 4000 | 5200 | 3700 | 5800 | 3500 |
| 2009 | 4800 | 4500 | 4200 | 6200 | 4600 |
- Draw a double bar graph to depict the above information using appropriate scale.
- Which hill station was visited by the maximum number of tourists in 2008?
- Which hill station was visited by the least number of tourists in 2009?
- In which hill stations was there increase in number of tourists in the year 2009?
