### Data Handling-Solutions Ex-9.4

CBSE Class –VI Mathematics
NCERT Solutions
Chaper 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:
 Preferred activity Number of students PlayingReading story booksWatching TVListening to musicPainting 4530201015
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?

Ans: Reading Story Books is preferred by most of the students other than playing.
Question 2.The number of mathematics books sold by a shopkeeper on six consecutive days is shown below:
 Days Sunday Monday Tuesday Wednesday Thursday Friday No. of books sold 65 40 30 45 20 70
Draw a bar graph to represent the above information choosing the scale of your choice.
Question 3.Following shows the number of bicycles manufactured in a factory during the year 1998 to 2002. Illustrate this data using a bar graph. Choose a scale of your choice.
 Years Number of bicycles manufactured 19981999200020012002 20060090011001200
(a)In which year were the maximum number of bicycles manufactured?
(b)In which year were the minimum number of bicycles manufactured?