RS Aggarwal Solutions Class 7 Maths Chapter 21-Collection and Organisation of Data (Mean, Median, Mode): It is one of the most scoring chapters in your mathematics class 7 syllabus. If you regularly practice all the formulas and your basic concepts are clear then this chapter will be one of the easiest chapters for you.
RS Aggarwal Solutions Class 7 Maths Chapter 21 will provide a detailed solution to all the questions present in this topic. It offers stepwise answers to the topic through which it becomes easy to understand even the trickiest part.
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Download RS Aggarwal Solutions Class 7 Maths Chapter 21 PDF
Mathematics is all about practicing but it is also about practicing solutions in a correct framework. Class 7 Maths RS Aggarwal Solution Chapter 21 provides answers according to the CBSE pattern. The solutions are written in ways your school teacher would want you to write.
RS Aggarwal Solutions Class 7 Maths Chapter 21 – Collection of Data is solved by our experts. So, it provides you with accurate answers with additional tips and tricks to help you solve your questions in a more efficient way.
You can easily download 7th Class RS Aggarwal Solutions of Collection of Data Pdf by clicking on the link below. By downloading the Pdf, you can access our study material from anywhere.
RS Aggarwal Solutions Class 7 Maths Chapter 21 Exercises
You can also get access to the exercise-wise solution of RS Aggarwal Solution Class 7 Chapter 21 Collection of data to clear your doubts about a particular exercise. The PDF can be downloaded by clicking on the link below-
Topics | Exercises |
RS Aggarwal Solution Class 7 Chapter 21a | |
RS Aggarwal Solution Class 7 Chapter 21b | |
RS Aggarwal Solution Class 7 Chapter 21c |
Detailed Exercise-wise Explanation with Important Topics
RS Aggarwal Solutions Class 7 Maths Chapter 21 is a unit based on calculating Mean, Mode, and Median. It is one of the easiest chapters that will help you score good grades in your mathematics paper. It only has a few simple concepts with basic formulas that a student should learn well before giving their mathematics exams.
RS Aggarwal Solution Class 7 Maths Chapter 21 will provide you with a detailed explanation of how to solve the Mean, Median, and Mode questions in the easiest and step-wise manner improving your problem-solving skills.
Let’s first understand what is Mean, Median and Mode: –
- Mean- A Mean is calculated by dividing the sum of all the numbers by the total number present. This will give you the mean or average of all the numbers.
- Median- A Median is a middle number of the series and you can calculate by using the formula present in the PDFs.
- Mode- A Mode tells about the number of times a number appears in a series.
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And now is the detailed explanation of all the exercises present in the chapter-
RS Aggarwal solutions class 7 chapter 21 Ex 21a
This exercise contains a total of 7 questions asking about the basics of Mean. It also contains 1-liner questions and making of frequency tables to analyze if the student is aware of the basic concepts used in the chapter.
A frequency table is made by arranging the numbers in a descending or ascending form and making a table of the number of times that digit was repeated. It is a fun exercise but requires a lot of diligence and focus to avoid any mistake in calculating their frequency.
And, with RS Aggarwal Solution of Chapter 21 21a, you will get the answers to all the questions of this exercise and help you in making a frequency table to calculate mean and score good grades in your exam.
RS Aggarwal Solutions Class 7 Chapter 21 ex 21b
This exercise focuses on calculating Median and it has 5 questions to analyze your problems solving skills in that topic. It talks about the different methods of calculating the median if the total no. of digits present is even or odd.
And, this requires different formulas to calculate the median when the total digit present is even or odd. The formula is present in the pdf and every student should learn it by heart.
This exercise can be tricky as it contains some new formulas and students need to get a hold of it. Through RS Aggarwal Solutions Class 7 Chapter 21 21b you will get a simplified solution of the topic and will help you learn and understand the formulas well.
RS Aggarwal Solutions Class 7 Chapter 21 ex 21c
This is a very short exercise containing only 2 questions based on the calculation of Mode. It asks you to arrange the number in ascending and descending order to calculate the mode in the question.
RS Aggarwal Solution of Chapter 21 21c will help you in enhancing your problem-solving skills by giving the simplest answer so that you can understand the concept and solve the questions quickly with accuracy in your maths exam.
Important Topics in the Exercise
All the questions present in this chapter are based on some or other important topics that you should know before starting to prepare for this chapter. This will help the students to have a glimpse of all the topics they need to focus on before giving their mathematics paper.
Here, comes the list of some of the important topics that you need to take care of-
- Knowledge of basic terms
- Preparing a frequency table
- Learning the formula to calculate Median, Mode, and Mean
- Should know ascending and descending of numbers
Learning these topics by heart will fetch you great marks in your exams and make a strong base of this chapter in your mind.
RS Aggarwal Solutions Class 7 Maths Chapter 21
RS Aggarwal Solutions Class 7 Maths Chapter 21 offers a well-structured answer to every question asked in the chapter. The PDFs are well prepared and offer high-quality knowledge to the students.
This chapter talks about calculating Mean, Median, and Mode by using simple formulas. Referring to the RS Aggarwal Solutions Class 7 Maths Chapter 21 PDF, will give a very detailed explanation of all the topics mentioned above so that you improve your academic skills and will also help you in focusing on your weaker areas of this chapter.
If you face any doubt don’t forget to mention below. Lastly, we wish you all the best for our upcoming CBSE Class 7 Mathematics exam
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