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By Brijesh Sharma
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Updated on 11 Jun 2025, 18:10 IST
Understanding and organizing data is an important skill in mathematics, and that's exactly what students learn in RD Sharma Class 8 Chapter 24 – Data Handling II (Graphical Representation of Data as Histograms). This chapter is a part of the CBSE Syllabus for Class 8 Maths and introduces students to the concept of histograms, which are useful for representing large sets of data in a visual form. Graphs like histograms help students quickly interpret information and analyze trends using bars grouped by intervals.
The RD Sharma Class 8 Solutions Chapter 24 provide step-by-step explanations to help students clearly understand how to read, draw, and interpret histograms. These solutions follow the latest RD Sharma Class 8 Chapter 24 2025-26 edition and are aligned with NCERT Solutions for Class 8 Maths, ensuring that students are well-prepared for their exams.
Whether you're revising topics or just starting to learn about the graphical representation of data, RD Sharma Class 8 Maths Solutions Chapter 24 will guide you through the process with easy methods, examples, and exercises. These RD Sharma Class 8 Solutions are especially helpful for self-study and for those looking to strengthen their understanding of data handling and presentation skills.
By working through the problems in RD Sharma Chapter 24 Class 8, students develop critical thinking and data interpretation skills—key aspects of mathematical learning. It’s an essential chapter for students aiming to score high in exams and to build a strong foundation in mathematics.
If you're looking for a clear and simple way to understand Data Handling II (Graphical Representation of Data as Histograms), the RD Sharma Class 8 Maths Chapter 24 PDF is the perfect resource. This chapter explains how to represent data using histograms, making it easier to analyze and interpret information. The Class 8 Maths Chapter 24 Data Handling II (Graphical Representation of Data as Histograms) PDF RD Sharma includes examples, exercises, and solutions that follow the latest CBSE syllabus.
Students can also download the Class 8 Maths Chapter 24 Data Handling II (Graphical Representation of Data as Histograms) Solutions for better practice and revision. Whether you're reviewing concepts or solving problems, the RD Sharma Chapter 24 Class 8 material provides everything you need to master this topic.
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Ques: The marks obtained by 50 students in a Maths test are grouped as follows:
| Marks Range | No. of Students |
| 0 – 10 | 5 |
| 10 – 20 | 7 |
| 20 – 30 | 12 |
| 30 – 40 | 15 |
| 40 – 50 | 11 |
Draw a histogram to represent the above data.
Solution: Plot the class intervals on the X-axis and number of students on the Y-axis. Draw bars with the following heights:
Ques: Given the data:
| Age Group (in years) | Frequency |
| 5 – 10 | 3 |
| 10 – 15 | 6 |
| 15 – 20 | 9 |
| 20 – 25 | 5 |
Find the total number of persons surveyed.
Solution: Total = 3 + 6 + 9 + 5 = 23 persons
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Ques: Draw a histogram for the following data:
| Class Interval (Height in cm) | No. of Students |
| 140 – 145 | 5 |
| 145 – 150 | 8 |
| 150 – 155 | 12 |
| 155 – 160 | 10 |
| 160 – 165 | 6 |
Solution: Draw bars with widths covering class intervals and height equal to the number of students. Ensure no gaps between bars.
Ques: From the histogram, determine the number of students who scored 20–30 marks if the bar reaches up to 9.
Solution: Number of students who scored 20–30 marks = 9
Ques: The number of hours spent on reading books by 30 students in a week is shown below:
| Hours | No. of Students |
| 0 – 2 | 4 |
| 2 – 4 | 6 |
| 4 – 6 | 10 |
| 6 – 8 | 5 |
| 8 – 10 | 5 |
How many students read for more than 4 hours?
Solution: = 10 (4–6) + 5 (6–8) + 5 (8–10) = 20 students
Ques: Which class interval has the highest frequency in the data below?
| Class Interval | Frequency |
| 10 – 20 | 6 |
| 20 – 30 | 8 |
| 30 – 40 | 11 |
| 40 – 50 | 5 |
Solution: Highest frequency = 11 in class interval 30–40
Ques: In a histogram, the bar for class interval 40–50 is the shortest. What does it mean?
Solution: It means least number of students fall in the 40–50 range.
Ques: The weights (in kg) of students are recorded as:
| Weight Range | Students |
| 35 – 40 | 3 |
| 40 – 45 | 7 |
| 45 – 50 | 10 |
| 50 – 55 | 5 |
Find total number of students.
Solution: Total = 3 + 7 + 10 + 5 = 25 students
Ques: Identify the modal class in this frequency table:
| Class Interval | Frequency |
| 10 – 20 | 6 |
| 20 – 30 | 12 |
| 30 – 40 | 9 |
| 40 – 50 | 4 |
Solution: Modal class=Class interval with highest frequency = 20–30
Ques: Why are there no gaps between bars in a histogram?
Solution: Because histogram represents continuous data, and there are no gaps between class intervals.
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Additional Pointers:
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Chapter 24 explains how to represent data graphically using histograms. It helps students analyze grouped data and understand frequency distribution through bar graphs without gaps.
Yes, the PDF for Class 8 Maths Chapter 24 Data Handling II (Graphical Representation of Data as Histograms) is available online at Infinity Learn and includes theory, examples, and exercises based on the latest CBSE syllabus.
The RD Sharma Class 8 Solutions Chapter 24 offer detailed, step-by-step explanations that make it easy to understand histogram-related problems and prepare effectively for exams.
Yes, the solutions and explanations are based on the 2025–26 CBSE Class 8 Maths syllabus and complement NCERT Solutions for Class 8 Maths.
Absolutely. The RD Sharma Chapter 24 Class 8 Data Handling II solutions are ideal for self-study, revision, and boosting problem-solving skills ahead of exams.