KSEEB Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4

Students can Download Chapter 9 Data Handling Ex 9.4 Questions and Answers, Notes Pdf, KSEEB Solutions for Class 6 Maths helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

Karnataka State Syllabus Class 6 Maths Chapter 9 Data Handling Ex 9.4

Question 1.
A survey of 120 school students was done to find which activity they prefer to do in their free time.
KSEEB Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 1
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?
Solution:
By taking a scale of 1 unit length = 5 students a bar graph of the above given data can be drawn as follows.
KSEEB Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 2
The activity that is preferred by most of the students other than playing is reading story books.

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Question 2.
The number of Mathematics books sold by a shopkeeper on six consecutive days is shown below:
KSEEB Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 3
Draw a bar graph to represent the above information choosing the scale of your choice.
Solution:
By taking a scale of 1 unit length = 10 books, a bar graph of the above given data can be drawn as follows
KSEEB Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 4

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Question 3.
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.
KSEEB Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 5
a) In which year was the maximum number of by cycles manufactured?
b) In which year was the minimum number of bicycles manufactured? Solution :
By taking a scale of 1 unit length = 100
Bicycles, a bar group of the above given data can be drawn as follows.
KSEEB Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 6
a) The number of bicycles manufactured in 2002 was the maximum i.e. 1200
b) The number of bicycles manufactured in 1999 was the minimum .i.e. 600.

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Question 4.
Number of persons in various age groups in a town is given in the following table.
KSEEB Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 7
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 n the age group of 60 and above are called senior citizens. How many senior citizens are there in the town?
Solution :
By taking a scale of 1 unit length = 20 thousands, a bar group of the above given data can be drawn as follows.
KSEEB Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 8
a) 30 – 44 and 45 are the two age groups which have the same population
b) It can be sinerred that senior citizens are the people who are either from age group 60 – 74 or from age group 45 and above.
Hence number of senior citizens = 80,000 + 40,000
= 1 lakhs 20 Thousand.

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