# NCERT Solutions for Class 6 Maths Chapter 9 Data Handling

**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 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 so-called data is collected to analyze and make important decisions based on the need. 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. Students must finish the NCERT syllabus for Class 6 Maths in time. There are 16 questions in 4 exercises given in the NCERT. You will get detailed explanations of all these questions in NCERT solutions for class 6. It is advisable that students must refer to the NCERT Class 6 Maths books to clear all the basic concepts. You can get NCERT solutions from class 6 to 12 by clicking on the above link.

**Latest ****: Trouble with homework? Post your queries of Maths and Science with step-by-step solutions instantly. Ask Mr AL**

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.

** The main content heading of NCERT Solutions for Class 6 Maths Chapter 9 are given below: **

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

** NCERT class 6 maths chapter 9 data handling exercise 9.1 **

(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.

** Question: 5 ** The number of girl students in each class of a co-educational middle school is depicted by the pictograph :

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.

** NCERT class 6 maths chapter 9 data handling exercise 9.2 **

** 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 class 6 maths chapter 9 data handling exercise 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.

** Question: 2 ** Observe this bar graph which is showing the sale of shirts in a ready made shop from Monday to Saturday.

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 ready-made 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 half-yearly 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 Class 6 maths chapter 9 data handling exercise 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 |

Playing | 45 |

Reading story books | 30 |

Watching TV | 20 |

Listening to music | 10 |

Painting | 15 |

** 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 following bar graph has been drawn

The scale is 1 unit = 10 books.

** Answer: **The following bar graph illustrates the above-given 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.

Age group (in years) | 75 and above | |||||

Number of persons | 2 lakhs | 1 lakh 60 thousands | 1 lakh 20 thousands | 1 lakh 20 thousands | 80 thousands | 40 thousands |

(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

### **NCERT Solutions for Class 6 Mathematics Chapter wise **

| |

| |

| |

| |

| |

| |

| |

| |

Chapter - 8 | |

| |

| |

| |

| |

| |

| |

### **NCERT Solutions for Class 6 - Subject wise **

**Benefits of NCERT solutions for class 6 maths chapter 9 data handling- **

- You can get NCERT solutions very easily by clicking the above link.
- You will learn to use data in different forms like tabular form using tally marks, using pictogram, bar graph to visualize and analyze data and make the decision based on the need.
- You can get to know short tricks and tips to solve problems related to graphs and data.
- It will make your homework easy as CBSE NCERT solutions for class 6 maths chapter 9 data handling contains detailed explanations for questions given at the end of every topic also.

**Happy learning! **

## Latest Articles

##### iOM Result 2020-21 - Check Silverzone iOM Level 1 & 2 Result ...

iOM Result 2020-21 - Silverzone International Olympiad of Mat...

##### IOEL Result 2020-21 - Check SilverZone IOEL Result Here

IOEL Result 2020-21 - SilverZone Foundation will release the r...

##### NCO Sample Papers 2020-21

NCO Sample Papers 2020-21 - The sample papers of National Cybe...

##### Kendriya Vidyalaya Pune Admission 2021 - Check Eligibility, Re...

Kendriya Vidyalaya Pune Admission 2021 - Check the admission p...

##### JAC 9th Syllabus 2020-2021 - Download Jharkhand Board Class 9t...

JAC Cass 9th Syllabus 2020-2021 - Students can download Jharkh...

##### JAC 11th Syllabus 2020-2021 - Check Jharkhand Board Class 11 S...

JAC 11th Syllabus 2020-2021 - The syllabus of Class 11 JAC for...

##### Rashtriya Military School Result 2021 Date - Check RMS Result ...

Rashtriya Military School Result 2021 - Rashtriya Military Sch...

##### IOS Result 2020-21 for Level 1 - Check Silverzone iOS Results ...

IOS Result 2020-21 - Silverzone Foundation will release Scienc...

##### NSO Result 2020-21 - Check SOF NSO Result for Level 1 Here

NSO Result 2020-21 - SOF will declare the result for level in ...

##### NSO Syllabus 2020-21 for Class 1 to 12

NSO Syllabus 2020-21 - NSO Syllabus 2020-21 - Students can fin...