Q3 of 16 Page 202

Following table shows the number of bicycles manufactured in a factory during the years 1998 to 2002. Illustrate this data using a bar graph. Choose a scale of your choice











Year



Number of bicycles manufactured



1998


1999


2000


2001


2002



800


600


900


1100


1200



(a) In which year was the maximum number of bicycles manufactured?


(b) In which year was the minimum number of bicycles manufactured?

According to the question,

By taking a scale of 1 unit = 100 bicycles, a bar graph of the above-given data can be constructed as follows:



(a) We can see that,


The maximum number of bicycles were manufactured in the year 2002.


A total of 1200 bicycles were manufactured.


(b) We can see that,


The minimum number of bicycles were manufactured in the year 2001.


A total of 600 bicycles were manufactured


More from this chapter

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3

Observe this bar graph which shows the marks obtained by Aziz in half-yearly examination in different subjects


Answer the given questions:


(a) What information does the bar graph give?


(b) Name the subject in which Aziz scored maximum marks.


(c) Name the subject in which he has scored minimum marks.


(d) State the name of the subjects and marks obtained in each of them

1

A survey of 120 school students was done to find which activity they prefer to do in their free time











Preferred activity



Number of students



Playing


Reading story books


Watching TV


Listening to music


Painting



45


30


20


10


15



Draw a bar graph to illustrate the above data taking scale of 1 unit length = 5 students.


Which activity is preferred by most of the students other than playing?

2

The number of Mathematics books sold by a shopkeeper on six consecutive days is shown below:











Days



Number of books sold



Sunday


Monday


Tuesday


Wednesday


Thursday


Friday



65


40


30


50


20


70



Draw a bar graph to represent the above information choosing the scale of your choice

4

Number of persons in various age groups in a town is given in the following table :











Age group



Number of persons



1-14


15 – 29


30 – 44


45 – 59


60 – 74


75 and above



2 lakhs


1 lakh 60 thousands


1 lakh 20 thousands


1 lakh 20 thousands


80 thousands


40 thousands



Draw a bar graph to represent the above information and answer the following questions. (Take 1-unit length = 20 thousands)


(a) Which two age groups have same population?


(b) All persons in the age group of 60 and above are called senior citizens. How many senior citizens are there in the town?