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

NCERT Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 are part of NCERT Solutions for Class 6 Maths. Here we have given NCERT Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4.

  • Data Handling Class 6 Ex 9.1
  • Data Handling Class 6 Ex 9.2
  • Data Handling Class 6 Ex 9.3
Board CBSE
Textbook NCERT
Class Class 6
Subject Maths
Chapter Chapter 9
Chapter Name Data Handling
Exercise  Ex 9.4
Number of Questions Solved 4
Category NCERT Solutions

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

Ex 9.4 Class 6 Maths Question 1.
A survey of 120 school students was done to find which activity they prefer to do in their free time:
NCERT Solutions for Class 6 Maths Chapter 9 Data Handling 14
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:
Here, 5 values of the data are given. So, mark 5 points on the horizontal axis at equal distances and erect rectangles of the same width whose heights are proportional to the values of the numerical data.
NCERT Solutions for Class 6 Maths Chapter 9 Data Handling 15
The activity of ‘reading story books’ is preferred by most of the students other than playing.

Ex 9.4 Class 6 Maths Question 2.
The number of Mathematics books sold by a shopkeeper on six consecutive days is shown below:
NCERT Solutions for Class 6 Maths Chapter 9 Data Handling 16
Draw a bar graph to represent the above information choosing the scale of your choicer
Solution:
Here 6 values of the data are given. So, mark 6 points on the horizontal axis at equal distances and erect rectangles of the same width whose heights are proportional to the values of the numerical data.
NCERT Solutions for Class 6 Maths Chapter 9 Data Handling 17

Ex 9.4 Class 6 Maths 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.
NCERT Solutions for Class 6 Maths Chapter 9 Data Handling 18
(a)
In which year were the maximum number of bicycles manufactured?
(b) In which year were the minimum number of bicycles manufactured.
Solution:
Here, 5 values of the data are given. So, mark 5 points on the horizontal axis at equal distances and erect rectangles of the same width whose heights are proportional to the values of the numerical data.
NCERT Solutions for Class 6 Maths Chapter 9 Data Handling 19
(a)
The maximum number of bicycles were manufactured in the year 2002.
(b) The minimum number of bicycles were manufactured in the year 1999.

Ex 9.4 Class 6 Maths Question 4.
Number of persons in various age groups in a town is given in the following table.
NCERT Solutions for Class 6 Maths Chapter 9 Data Handling 20
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?
Solution:
Here, 6 values of the data are given. So, mark 6 points on the horizontal axis at equal distances and erect rectangles of the same width whose heights are as under:
Age Group
NCERT Solutions for Class 6 Maths Chapter 9 Data Handling 21
(a)
Age groups 30 – 44 and 45 – 59 have the same population.
(b) Number of senior citizens are 80000 + 40000 = 120000.

We hope the NCERT Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 help you. If you have any query regarding NCERT Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4, drop a comment below and we will get back to you at the earliest.

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