हिंदी

Consider this data collected from a survey of a colony. Favourite sport Cricket Basket Ball Swimming Hockey Athletics Watching 1240 470 510 430 250 Participating 620 320 320 250 105 - Mathematics

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प्रश्न

Consider this data collected from a survey of a colony.

Favourite sport Cricket Basket Ball Swimming Hockey Athletics
Watching 1240 470 510 430 250
Participating 620 320 320 250 105
  1. Draw a double bar graph choosing an appropriate scale. What do you infer from the bar graph?
  2. Which sport is most popular?
  3. Which is more preferred, watching or participating in sports?
संक्षेप में उत्तर
आलेख

उत्तर

i. A double bar graph for the given data is as follows:

 

The double bar graph represents the number of people who like watching and participating in different sports. It can be observed that most of the people like watching and participating in cricket, while the least number of people like watching and participating in athletics.

ii. From the bar graph, it can be observed that the bar representing the number of people who like watching and participating in cricket is the tallest among all the bars. Hence, cricket is the most popular sport.

iii. The bars representing watching sports are longer than the bars representing participating in sports. Hence, watching different types of sports is more preferred than participating in the sports.

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अध्याय 3: Data Handling - Exercise 3.3 [पृष्ठ ७३]

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एनसीईआरटी Mathematics [English] Class 7
अध्याय 3 Data Handling
Exercise 3.3 | Q 5 | पृष्ठ ७३

संबंधित प्रश्न

Use the bar graph (see the given figure) to answer the following question.

Which is the most popular pet?


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

 2007-2008

 2008-2009

 2009-2010
 
      47

      56 

      60

      63
          9

         13

         16

         18

The graph given below shows the marks obtained out of 10 by Sonia in two different tests. Study the graph and answer the questions that follow.

  1. What information is represented by the axes?
  2. In which subject did she score the highest in Test I?
  3. In which subject did she score the least in Test II?
  4. In which subject did she score the same marks in both the Tests?
  5. What are the marks scored by her in English in Test II?
  6. In which test was the performance better?
  7. In which subject and which test did she score full marks?

In a bar graph, ______ can be drawn horizontally or vertically.


The following bar graph shows the number of houses (out of 100) in a town using different types of fuels for cooking.

Read the bar graph and answer the following questions:

Scale: 1 unit length = 5 houses

(a) Which fuel is used in maximum number of houses?
(b) How many houses are using coal as fuel?
(c) Suppose that the total number of houses in the town is 1 lakh.
From the above graph estimate the number of houses using electricity.


The following graph gives the information about the number of railway tickets sold for different cities on a railway ticket counter between 6.00 am to 10.00 am. Read the bar graph and answer the following questions.

Scale: 1 unit length = 10 tickets

(a) How many tickets were sold in all?
(b) For which city were the maximum number of tickets sold?
(c) For which city were the minimum number of tickets sold?
(d) Name the cities for which the number of tickets sold is more than 20
(e) Fill in the blanks: Number of tickets sold for Delhi and Jaipur together exceeds the total number of tickets sold for Patna and Chennai by ______.


Observe the given data:

Days of
the week
Mon Tues Wed Thurs Fri Sat
Number of
Mobile Phone
Sets Sold
50 45 30 55 27 60
  1. Draw a bar graph to represent the above given information.
  2. On which day of the week was the sales maximum?
  3. Find the total sales during the week.
  4. Find the ratio of the minimum sale to the maximum sale.
  5. Calculate the average sale during the week.
  6. On how many days of the week was the sale above the average sales?

Below is a list of 10 tallest buildings in India.

This list ranks buildings in India that stand at least 150 m (492 ft.) tall, based on standard height measurement. This includes spires and architectural details but does not include antenna marks. Following data is given as per the available information till 2009. Since new buildings are always under construction, go on-line to check new taller buildings.

Use the information given in the table about sky scrapers to answer the following questions:

Name City Height Floors Year
Planet Mumbai 181 m 51 2009
UB Tower Bengaluru 184 m 20 2006
Ashok Towers Mumbai 193 m 49 2009
The Imperial I Mumbai 249 m 60 2009
The Imperial II Mumbai 249 m 60 2009
RNA Mirage Mumbai 180 m 40 2009
Oberoi Woods Tower I Mumbai 170 m 40 2009
Oberoi Woods Tower II Mumbai 170 m 40 2009
Oberoi Woods Tower III Mumbai 170 m 40 2009
MVRDC Mumbai 156 m 35 2002

(a) Find the height of each storey of the three tallest buildings and write them in the following table:

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(c) Which city in this list has the largest percentage of skyscrapers? What is the percentage?

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Subjects English Hindi Maths Science S. Science Sanskirt
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  1. Draw a double bar graph by choosing appropriate scale.
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  4. Compare the percentages of marks obtained by Kunal and Soni.
  5. In how many subjects did Soni get more marks than Kunal? Which are those subjects?
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Study the table and answer the following questions:

  1. Draw a double bar graph using appropriate scale to depict the above information.
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