RBSE Solutions for Class 6 Maths Chapter 9: Data Handling equips students with essential skills for organizing, interpreting, and representing data. This chapter, a vital part of the RBSE curriculum, introduces students to data collection, organization, and graphical representation. With clear, step-by-step solutions, students can easily understand data handling techniques, which are crucial for both academics and real-life applications.
Key Concepts Covered in Chapter 9: Data Handling
- Understanding Data and Its Importance
- Organizing Data in Tally Charts and Tables
- Pictographs and Their Interpretation
- Bar Graphs: Creation and Analysis
- Real-life Applications of Data Handling
Data handling is essential for statistical analysis and developing logical reasoning skills. This chapter provides a foundation for understanding data structures in higher classes.
Detailed RBSE Class 6 Solutions for Chapter 9: Data Handling
Below are detailed solutions for each question in Class 6 Maths Chapter 9. These solutions are prepared to help students understand every concept in-depth and solve questions confidently.
NCERT Solutions for Class 6 Chapter 9: Data Handling Exercise 9.1
Table of Contents
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?
Solutions:
Marks | Tally Marks | Number of Students | |
1 | || | 2 | |
2 | ||| | 3 | |
3 | ||| | 3 | |
4 | || | 7 | |
5 | | | 6 | |
6 | || | 7 | |
7 | 5 | ||
8 | |||| | 4 | |
9 | ||| | 3 |
(a) The students who got marks equal to or more than 7 are the students who got marks as either of 7, 8 and 9. Therefore, number of these students
= 5 + 4 + 3
= 12
(b) The students who got marks below 4 are the students who got marks as either of 1, 2 and 3. Therefore number of these students are
= 2 + 3 + 3
= 8
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?
Solutions:
By observing the choice of sweets of 30 students. We may construct the table as shown below:
Sweets | Tally Marks | Number of Students |
Ladoo | | | 11 |
Barfi | ||| | 3 |
Jalebi | || | 7 |
Rasgulla | |||| | 9 |
30 |
(b) The highest number of students preferred Ladoos. Hence, Ladoo is the most preferred sweet among students.
3. Catherine threw a dice 40 times and noted the number appearing each time as shown below :
1 | 3 | 5 | 6 | 6 | 3 | 5 | 4 | 1 | 6 |
2 | 5 | 3 | 4 | 6 | 1 | 5 | 5 | 6 | 1 |
1 | 2 | 2 | 3 | 5 | 2 | 4 | 5 | 5 | 6 |
5 | 1 | 6 | 2 | 3 | 5 | 2 | 4 | 1 | 5 |
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.
Solutions:
Numbers | Tally Marks | Number of times |
1 | || | 7 |
2 | | | 6 |
3 | 5 | |
4 | |||| | 4 |
5 | | | 11 |
6 | || | 7 |
(a) The number that occurred for minimum number of times is 4
(b) The number that occurred for maximum number of times is 5
(c) 1 and 6 are the numbers that appear an equal number of times
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?
Solutions:
(i) Village D has the minimum number of tractors.
(ii) Village C has the maximum number of tractors.
(iii) Village B has 5 tractors
Village C has 8 tractors
= 8 – 5
= 3 tractors
Village C has 3 more tractors as compared to village B
(iv) Total number of tractors in all the villages = 6 + 5 + 8 + 3 + 6 = 28 tractors
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?
Solutions:
By observing the above table, there are 24, 18, 20, 14, 10, 16, 12 and 6 girls respectively from class I to VIII
(a) Class VIII has only 6 girls. Therefore, the minimum number of girl students are in Class VIII
(b) No. Class V has 10 girl students
Class VI has 16 girl students
Hence, the number of girls in Class VI are more than the number of girls in Class V
(c) The number of girls in Class VII are 12
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?
Solutions:
(a) Number of bulbs sold on Friday are 14 bulbs.
(b) On Sunday highest number of bulbs i.e 18 are sold. Thus, maximum number of bulbs were sold on Sunday.
(c) On Wednesday and Saturday 8 bulbs are sold. Hence, equal number of bulbs were sold on Wednesday and Saturday.
(d) Minimum number of bulbs were sold on Wednesday and Saturday i.e., 8 bulbs.
(e) Total number of bulbs sold in a week = 12 + 16 + 8 + 10 + 14 + 8 + 18 = 86
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?
(c) The merchants who have sold 600 or more number of baskets are planning to buy a godown for the next season. Can you name them?
Solutions:
From the pictograph, the number of fruit baskets sold by Rahim, Lakhanpal, Anwar, Martin, Ranjit Singh and Joseph are 400, 550, 700, 950, 800 and 450, respectively
(a) Martin sold the maximum number of fruit baskets i.e., 950
(b) Anwar sold 700 fruit baskets
(c) Anwar, Martin and Ranjit Singh are the merchants who sold more than 600 fruit baskets. Hence, these are the merchants who are planning to buy a godown for the next season.
- Rbse Solutions for Class 6 Chapter 1: Knowing Our Numbers
- Rbse Solutions for Class 6 Chapter 2: Whole Numbers
- Rbse Solutions For Class 6 Maths Chapter 3 Playing with Numbers
- Rbse Solutions for Class 6 Chapter 4: Basic Geometrical Ideas
- Rbse Solutions for Class 6 Chapter 5: Understanding Elementary Shapes
- Rbse Solutions for Class 6 Chapter 6: Integers
- Rbse Solutions to Class 6 Chapter 7: Fractions
- RBSE Solutions for Class 6 Maths Chapter 8: Decimals | Updated for 2024-25
- RBSE Solutions for Class 6 Maths Chapter 9: Data Handling | Updated for 2024-25
- RBSE Solutions for Class 6 Maths Chapter 10: Mensuration | Updated for 2024-25
- RBSE Solutions for Class 6 Maths Chapter 11: Algebra | Updated for 2024-25
- RBSE Solutions for Class 6 Maths Chapter 12: Ratio and Proportion | Updated for 2024-25
- RBSE Solutions for Class 6 Maths Chapter 13: Symmetry | Updated for 2024-25
- RBSE Solutions for Class 6 Maths Chapter 14: Practical Geometry | Updated for 2024-25
Benefits of RBSE Class 6 Chapter 9 Solutions
- Simplified Learning: Step-by-step solutions for each question make it easier to grasp new concepts.
- Exam Preparation: Practicing these solutions can help students score better in exams.
- Practical Knowledge: Data handling skills have real-world applications in daily life, such as surveys, statistics, and graphical data representation.
FAQs on RBSE Solutions for Class 6 Maths Chapter 9: Data Handling
Q1: What is data handling, and why is it important?
A1: Data handling involves collecting, organizing, and interpreting data. It’s important because it helps us make sense of large amounts of information, which is essential for informed decision-making.
Q2: How does Chapter 9 of Class 6 Maths help students?
A2: This chapter introduces students to data organization, tally marks, pictographs, and bar graphs, laying a foundation for understanding data analysis in later studies.
Q3: Where can I find detailed RBSE solutions for Class 6 Chapter 9?
A3: Detailed solutions are available on rbsesolution.in, where students can find step-by-step answers for better understanding.
Q4: What is a bar graph, and how is it useful?
A4: A bar graph is a graphical representation of data using bars. It’s useful for comparing quantities and visualizing data trends.
Q5: How can learning data handling help students in daily life?
A5: Learning data handling helps students interpret everyday information, like survey results or statistics, enhancing their analytical and problem-solving skills.