NCERT Solutions for Class 6 Maths Chapter 9 Data Handling: The collection of some valuable information is known as data. It is done on the basis of the need for a particular case to make any decision. In daily life, you must have seen different data like in newspapers business analysis, in cricket match comparison of the score of two teams, runs scored by batsman, number of total balls faced by batsman, number of dot balls, number of fours and sixes by batsman or team, strike rate, etc. What is the purpose of this data which they have accumulated and how to handle it? In CBSE NCERT solutions for class 6 maths chapter 9 data handling, you will get the answer to the above question. In the digital world, data is new oil which has much wider use. Any technology like machine learning or Artificial intelligence has no use if the data is not available. The information or socalled data is collected to analyze and make important decisions based on the need. In the above example of the batsman, data is collected to analyze his performance and make decisions for further matches. In solutions of NCERT for class 6 maths chapter 9 data handling, you will get many questions related to collecting data and use it to make some important outcomes. Also, you will learn to represent data in tabular form using tally marks, using pictogram, and to draw a bar graph from the collected data. From the pictogram and bar graph, you can get information like the minimum and maximum value of data, in which year minimum occurred, etc. There are 16 questions in 4 exercises given in the textbook. You will get detailed explanations of all these questions in CBSE NCERT solutions for class 6 maths chapter 9 data handling. You can get NCERT solutions from class 6 to 12 by clicking on the above link.
Let's understand this chapter with the help of an example:
The above bar graph gives information about wheat sold by industry in the year 1998 to 2002. In the bar graph, the horizontal line represents the year and the vertical line represents wheat sold in thousand tonnes and 1unit = 5000 tonnes. It is clear from the graph the wheat sold is maximum in the year 2002 and the amount is 30 units=. Similarly, we can calculate the amount of wheat sold in another year also. The minimum amount is sold in the year 1998.
9.1 Introduction
9.2 Recording Data
9.3 Organisation of Data
9.4 Pictograph
9.5 Interpretation of a Pictograph
9.6 Drawing a Pictograph
9.7 A Bar Graph
9.7.1 Interpretation of a bar graph
9.7.2 Drawing a bar graph
(a) Find how many students obtained marks equal to or more than 7.
(b) How many students obtained marks below 4?
Answer:
Marks Obtained 
Tally Marks 
Number of Students 
1 

2 
2 

3 
3 

3 
4 

7 
5 

6 
6 

7 
7 

5 
8 

4 
9 

3 
Total 

40 
(a) Number of students who obtained marks equal to or more than 7 = 5 + 4 + 3 = 12
(b) Number of students who students obtained marks below 4 = 3 + 3 + 2 = 8
Question:2 Following is the choice of sweets of 30 students of Class VI. Ladoo, Barfi, Ladoo, Jalebi, Ladoo, Rasgulla, Jalebi, Ladoo, Barfi, Rasgulla, Ladoo, Jalebi, Jalebi, Rasgulla, Ladoo, Rasgulla, Jalebi, Ladoo, Rasgulla, Ladoo, Ladoo, Barfi, Rasgulla, Rasgulla, Jalebi, Rasgulla, Ladoo, Rasgulla, Jalebi, Ladoo.
(a) Arrange the names of sweets in a table using tally marks.
(b) Which sweet is preferred by most of the students?
Answer:
Sweets 
Tally Marks 
Number of Students 
Ladoo 

11 
Barfi 

3 
Jalebi 

7 
Rasgulla 

9 
Total 

30 
(b) Ladoo is preffered by the maximum number of students, 11 students prefer
Question:3 Catherine threw a dice 40 times and noted the number appearing each time as shown below :
Make a table and enter the data using tally marks. Find the number that appeared.
(a) The minimum number of times
(b) The maximum number of times (
c) Find those numbers that appear an equal number of times.
Answer:
Number shown by the dice 
Tally Marks 
Number of Times 
1 

7 
2 

6 
3 

5 
4 

4 
5 

11 
6 

7 
Total 

40 
(a) The number that appeared the minimum number of times is 4. ( 4 times)
(b) The number that appeared the maximum number of times is 5. ( 11 times)
(c) 1 and 6 both appeared 7 times.
Question:4 Following pictograph shows the number of tractors in five villages.
Observe the pictograph and answer the following questions.
(i) Which village has the minimum number of tractors?
(ii) Which village has the maximum number of tractors?
(iii) How many more tractors village C has as compared to village B.
(iv) What is the total number of tractors in all the five villages?
Answer:
(a) Village D has only three tractors which is the minimum.
(b) Village C has eight tractors which is the maximum.
(c) Village C has eight tractors
Village B has five tractors
Village C has three tractors more than village B.
(d) The total number of tractors in all the villages = 6 + 5 + 8 + 3 + 6 = 28.
Observe this pictograph and answer the following questions :
(a) Which class has the minimum number of girl students?
(b) Is the number of girls in Class VI less than the number of girls in Class V?
(c) How many girls are there in Class VII?
Answer:
(a) Class VIII has the minimum number of girls.
Number of girls in class VIII =
(b) Number of girls in class VI =
Number of girls in class V =
Therefore the number of girls in Class VI is not less than the number of girls in Class V.
(c) Number of girls in class VII =
Question:6 The sale of electric bulbs on different days of a week is shown below :
Observe the pictograph and answer the following questions :
(a) How many bulbs were sold on Friday?
(b) On which day were the maximum number of bulbs sold?
(c) On which of the days same number of bulbs were sold?
(d) On which of the days minimum number of bulbs were sold?
(e) If one big carton can hold 9 bulbs. How many cartons were needed in the given week?
Answer:
(a) The number of bulbs sold on Friday = .
(b) On Sunday the maximum number of bulbs were sold.
(c) On both Wednesday and saturday, 8 bulbs were sold.
(d) On Wednesday and saturday, the minimum number of bulbs (8) were sold.
(e) Total number of bulbs sold in the weekend =
Number of cartons required = 9 + 1 = 10 ( we cannot have fractional number of boxes)
Question:7 In a village six fruit merchants sold the following number of fruit baskets in a particular season :
Observe this pictograph and answer the following questions :
(a) Which merchant sold the maximum number of baskets?
(b) How many fruit baskets were sold by Anwar?
Answer:
(a) Martin has sold the maximum number of baskets.
(b) Number of fruit baskets were sold by Anwar =
(c) Anwar, Martin and Ranjit Singh have sold more than 600 baskets.
Question:1 Total number of animals in five villages are as follows :
Village A: 80 Village B: 120 Village C: 90 Village D: 40 Village E: 60
(a) How many symbols represent animals of village E?
(b) Which village has the maximum number of animals?
(c) Which village has more animals: village A or village C?
Answer:
Villages 
Number of Animals = Ten Animals 
A 

B 

C 

D 

E 

(a) 6 symbols represent animals of village E.
(b) Village B has the maximum number of animals.
(c) Village C has more animals.
Question:2(A) Total number of students of a school in different years is shown in the following table
(a) How many symbols represent total number of students in the year 2002?
(b) How many symbols represent total number of students for the year 1998?
Answer:
(a) 6 symbols represent the total number of students in the year 2002.
(b)
5 and 7/20 symbols , i.e 5 complete and 1 incomplete represent the total number of students for the year 1998.
Question:2(B) Total number of students of a school in different years is shown in the following table
Answer:
The second pictograph is more informative
NCERT solutions for class 6 maths chapter 9 data handlingExercise: 9.3
(a) the wheat production maximum?
(b) the wheat production minimum?
Answer:
(a) In 2002 the wheat production maximum.
(b) In 1998 the wheat production minimum.
Now answer the following questions :
(a) What information does the above bar graph give?
(b) What is the scale chosen on the horizontal line representing number of shirts?
(c) On which day were the maximum number of shirts sold? How many shirts were sold on that day?
(d) On which day were the minimum number of shirts sold?
(e) How many shirts were sold on Thursday?
Answer:
(a) The bar graph is showing the sale of shirts in a readymade shop from Monday to Saturday.
(b) 1 unit = 5 shirts.
(c) On Saturday the maximum number of shirts sold. 60 shirts were sold on Saturday.
(d) On Tuesday the minimum number of shirts were sold.
(e) 35 shirts were sold on Thursday.
(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.
Answer:
(a) This bar graph shows the marks obtained by Aziz in halfyearly examination in different subjects.
(b) Aziz scored maximum marks in Hindi.
(c) Aziz scored minimum marks in Social Science.
(d) ) Hindi – 80, English – 60, Mathematics – 70, Science – 50 and Social Studies – 40.
NCERT solutions for class 6 maths chapter 9 data handlingExercise: 9.4
Answer:
Reading storybooks 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 :
Draw a bar graph to represent the above information choosing the scale of your choice.
Answer:
Using the above given information the followiing bar graph has been drawn
The scale is 1 unit = 10 books.
Answer:
The following bar graph illustrates the abovegiven data:
(a) In 2002 the maximum number of bicycles were manufactured.
(b) In 1999 the minimum number of bicycles were manufactured.
Question:4 Number of persons in various age groups in a town is given in the following table.
(a) Which two age groups have same population?
Answer:
Following bar graph represents the above given informatio
(a) The age groups 30  44 and 45  59 have the same population.
(b) People in the age group 60  74 = 80,000
People whare 75 and above = 40,000
Total number of senior citizens in the town = 80,000 + 40,000 = 1,20,000
Chapters No. 
Chapters Name 
Chapter  1 
Solutions of NCERT for class 6 maths chapter 1 Knowing Our Numbers 
Chapter  2 
CBSE NCERT solutions for class 6 maths chapter 2 Whole Numbers 
Chapter  3 
NCERT solutions for class 6 maths chapter 3 Playing with Numbers 
Chapter  4 
Solutions of NCERT for class 6 maths chapter 4 Basic Geometrical Ideas 
Chapter  5 
CBSE NCERT solutions for class 6 maths chapter 5 Understanding Elementary Shapes 
Chapter  6 

Chapter  7 

Chapter 8  
Chapter  9 
CBSE NCERT solutions for class 6 maths chapter 9 Data Handling 
Chapter 10 

Chapter 11 

Chapter 12 
CBSE NCERT solutions for class 6 maths chapter 12 Ratio and Proportion 
Chapter 13 

Chapter 14 
Solutions of NCERT for class 6 maths chapter 14 Practical Geometry 
NCERT Solutions for class 6 maths 
Solutions of NCERT for class 6 science 
Happy learning!!!
Q : 2 Total number of students of a school in different years is shown in the following table
Years  Number of students 
1996  400 
1998  535 
2000  472 
2002  600 
2004  623 
B. Prepare another pictograph of students using any other symbol each representing 50 students. Which pictograph do you find more informative?
Q : 7 Total number of animals in five villages are as follows :
Village A: 80 Village B: 120 Village C: 90 Village D: 40 Village E: 60
Prepare a pictograph of these animals using one symbol to represent 10 animals and answer the following questions :
(a) How many symbols represent animals of village E?
(b) Which village has the maximum number of animals?
(c) Which village has more animals: village A or village C?
Q : 1 In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.
8  1  3  7  6  5  5  4  4  2 
4  9  5  3  7  1  6  5  2  7 
7  3  8  4  2  8  9  5  8  6 
7  4  5  6  9  6  4  4  6  6 
(a) Find how many students obtained marks equal to or more than 7.
(b) How many students obtained marks below 4?