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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता ९ वी

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)

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प्रश्न

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
आलेख
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उत्तर

The following table shows the number of Buses and Trucks in nearest lakh units.

 Year  No  of trucks Percentage of trucks  No of buses Percentage of buses
2006-2007 47 = `47/ ( 47 + 9 )` × 100 = `4700 / 56` = 83. 92 ≈ 84  9 = `9 / ( 47 + 9 )` × 100 = ` 900 / 56 ` = 16.07 ≈ 16
2007-2008 56  = ` 56/ ( 56 + 13)` × 100 = ` 5600 / 69` = 81.15 ≈ 81  13 = `13 / ( 56 + 13)` × 100 = `1300/69` = 18.84 ≈ 19
2008-2009 60 = ` 60 / ( 60 + 16 )` × 100 = `6000 / 76` = 78.94 ≈ 79 16 = ` 16 / ( 60+ 16 )` × 100 = `1600 / 76` = 21.05 ≈ 21
2009-2010 63 = `63 / ( 63 + 18 )` × 100 = `6300/ 81`= 77.77 ≈ 78 18 = `18 / ( 63 + 18 )` × 100 = `1800 / 81 ` = 22.22 ≈ 22

The percentage bar-diagram of the above table is as follows:

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पाठ 7: Statistics - Practice set 7.1 [पृष्ठ १११]

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बालभारती Mathematics 1 [English] Standard 9 Maharashtra State Board
पाठ 7 Statistics
Practice set 7.1 | Q (1) | पृष्ठ १११

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:

  1. About how many books were sold in 1989? 1990? 1992?
  2. In which year were about 475 books sold? About 225 books sold?
  3. In which years were fewer than 250 books sold?
  4. 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
  1. How would you choose a scale?
  2. Answer the following questions:
    1. Which class has the maximum number of children? And the minimum?
    2. Find the ratio of students of class sixth to the students of class eight.

The performance of students in 1st Term and 2nd Term is given. Draw a double bar graph choosing appropriate scale and answer the following:

Subject English Hindi Maths Science S. science
1st Term (M.M. 100) 67 72 88 81 73
2nd Term (M.M. 100) 70 65 95 85 75
  1. In which subject, has the child improved his performance the most?
  2. In which subject is the improvement the least?
  3. Has the performance gone down in any subject?

The graph shows the maximum temperatures recorded for two consecutive weeks of a town. Study the graph and answer the questions that follow.

  1. What information is given by the two axes?
  2. In which week was the temperature higher on most of the days?
  3. On which day was the temperature same in both the weeks?
  4. On which day was the difference in temperatures the maximum for both the weeks?
  5. What were the temperatures for both the weeks on Thursday?
  6. On which day was the temperature 35°C for the first week?
  7. On which day was the temperature highest for the second week?

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, bars of uniform width are drawn vertically only.


In a bar graph, each bar (rectangle) represents only one value of the numerical data.


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

  1. Which fuel is used in maximum number of houses?
  2. How many houses are using coal as fuel?
  3. 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 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

  1. Which National Highway (N.H.) is the longest among the above?
  2. Which National Highway is the shortest among the above?
  3. What is the length of National Highway 9?
  4. Length of which National Highway is about three times the National Highway 10?

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.


Crop Area of land
(in million hectares)
Rice 50
Wheat 30
Pulses 20
Sugarcane 25
Cotton 15

Prepare a bar graph of the data.


______ can be used to compare two collections of data.


Study the bar graph given below and answer the questions that follow.

  1. What information does the above bar graph represent?
  2. In which year was production the least?
  3. After which year was the maximum rise in the production?
  4. Find the average production of rice during the 5 years.
  5. Find difference of rice production between years 2006 and 2008.

Study the double bar graph and answer the questions that follow:

  1. What information does the double bar graph represent?
  2. Find the total number of boys in all sections of Class VII.
  3. In which sections, the number of girls is greater than the number of boys?
  4. In which section, the number of boys is the maximum?
  5. In which section, the number of girls is the least?

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
  1. Draw a double bar graph choosing an appropriate scale. What do you infer from the bar graph?
  2. Which class has the maximum number of students?
  3. In which class, the difference of total students and number of students present is minimum?
  4. Find the ratio of number of students present to the total number of students of Class IX.
  5. What per cent of Class VI students were absent?

The marks out of 100 obtained by Kunal and Soni in the Half Yearly Examination are given below:

Subjects English Hindi Maths Science S. Science Sanskirt
Kunal 72 81 92 96 64 85
Soni 86 89 90 82 75 82
  1. Draw a double bar graph by choosing appropriate scale.
  2. Calculate the total percentage of marks obtained by Soni.
  3. Calculate the total percentage of marks obtained by Kunal.
  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?
  6. Who got more marks in S. Science and what was the difference of marks?
  7. In which subject the difference of marks was maximum and by how much?

The table below compares the population (in hundreds) of 4 towns over two years:

Towns A B C D
2007 2900 6400 8300 4600
2009 3200 7500 9200 6300

Study the table and answer the following questions:

  1. Draw a double bar graph using appropriate scale to depict the above information.
  2. In which town was the population growth maximum?
  3. In which town was the population growth least?

The table below gives the flavours of ice cream liked by children (boys and girls) of a society.

Flavours Vanilla Chocolate Strawberry Mango Butterscotch
Boys 4 9 3 8 13
Girls 8 12 7 9 10

Study the table and answer the following questions:

  1. Draw a double bar graph using appropriate scale to represent the above information.
  2. Which flavour is liked the most by the boys?
  3. How many girls are there in all?
  4. How many children like chocolate flavour of ice cream?
  5. Find the ratio of children who like strawberry flavour to vanilla flavour of ice cream.

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