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प्रश्न
Try yourself
On any one day, choose any three cities and record their temperature from the TV or newspaper.
- Make a bar chart in your notebook and ask your friends a few questions about it. See if they understand your chart!
उत्तर
Let us show the highest temperature (in degrees Celsius) in three cities: Delhi, Bangalore, and Sikkim.
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संबंधित प्रश्न
Read the bar graph (see the given figure) which shows the number of books sold by a bookstore during five consecutive years and answer the questions that follow:
- About how many books were sold in 1989? 1990? 1992?
- In which year were about 475 books sold? About 225 books sold?
- In which years were fewer than 250 books sold?
- Can you explain how you would estimate the number of books sold in 1989?
Number of children in six different classes are given below. Represent the data on a bar graph.
| Class | Fifth | Sixth | Seventh | Eighth | Ninth | Tenth |
| Number of children | 135 | 120 | 95 | 100 | 90 | 80 |
- How would you choose a scale?
- Answer the following questions:
- Which class has the maximum number of children? And the minimum?
- Find the ratio of students of class sixth to the students of class eight.
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 |
| 2005-2006 | 47 | 9 |
| 2007-2008 | 56 | 13 |
| 2008-2009 | 60 | 16 |
| 2009-2010 | 63 | 18 |
Bar diagram of first term scores of a student are given.
a. The highest score is in _________.
b. The lowest score is in _________.
c. The same scores are in _________ and _________.
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 | |
Use the bar graph (see the given figure) to answer the following question.
How many students have dog as a pet?
The bar graph given below represents approximate length (in kilometres) of some National Highways in India. Study the bar graph and answer the following questions:
Scale: 1 unit length = 200 km
(a) Which National Highway (N.H.) is the longest among the above?
(b) Which National Highway is the shortest among the above?
(c) What is the length of National Highway 9?
(d) Length of which National Highway is about three times the National Highway10?
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.
The following table gives the number of vehicles passing through a toll gate, every hour from 8.00 am. to 1.00 pm:
| Time Interval |
8.00 to 9.00 |
9.00 to 10.00 |
10.00 to 11.00 |
11.00 to 12.00 |
12.00 to 1.00 |
| Number of vehicles |
250 | 450 | 300 | 250 | 150 |
Draw a bar graph representing the above data.
The bar graph given below represents the circulation of newspapers (dailies) in a town in six languages (the figures are approximated to hundreds).
Study the bar graph and answer the following questions:
- Find the total number of newspapers read in Hindi, Punjabi, Urdu, Marathi and Tamil.
- Find the excess number of newspapers read in Hindi than those in English.
- Name the language in which the least number of newspapers are read.
- Write the total circulation of newspapers in the town.
