Courses
Courses for Kids
Free study material
Free LIVE classes
More

# RD Sharma Class 11 Solutions Chapter 17 - Combinations (Ex 17.2) Exercise 17.2 ## RD Sharma Class 11 Solutions Chapter 17 - Combinations (Ex 17.2) Exercise 17.2 - Free PDF

Exercise 17.2 solved by Expert Mathematics Teachers on Vedantu.com. All Chapter 17 - Combinations Ex 17.2 Questions with Solutions for RD Sharma Class 11 Math to help you to revise complete Syllabus and Score More marks. Register for online coaching for IIT JEE (Mains & Advanced) and other Engineering entrance exams

Last updated date: 03rd Jun 2023
Total views: 464.1k
Views today: 5.20k

## RD Sharma Class 11 Solutions Chapter 17

Combination is Chapter 17 in the RD Sharma book. It is the selection of a part of a set of objects or a selection of all objects when the order doesn’t matter. So, if there is combinations of n objects taken r at a time then the combination formula is given by:

 nCr = n(n-1)(n-2)…(n-r+1)/ r! = n!/ r!(n-r)!= nPr /r!

RD Sharma Solutions for Class 11 Math Chapter 17 Combinations are well designed for the students going to appear in the 2021-2022 examination. The chapter contains numerous questions distributed in various exercises. The students shall learn about the techniques of making various combinations and related problems where they will be used, making appropriate selection of the combinations in this chapter.

With the help of these exercises the students can score more in the examination. The in-depth knowledge of this chapter strengthens the basics and fundamentals of the students, making it easy for them to attempt questions from this chapter that are asked in exams. These questions are asked in question papers of various education boards like ICSE and CBSE and also in state board exams. Competitive exams like JEE Mains, JEE Advanced, CAT entrance exams also have questions from this chapter.

### Advantages of Referring to the RD Sharma Class 11 Solutions Chapter 17

RD Sharma solutions  are well designed and are very insightful as they provide extensive information about every topic. You can refer to these solutions when you are having doubts with the solution of any question. This will  help you to understand the current subject better and will also improve your understanding of the overall subject which will provide strength to your foundation. The book contains numerous figures which help you in understanding the problem a lot better so that you can quickly come up with the solution without wasting any time. It contains exercises of solved questions having concise solutions that can be referred after the student has cleared his/her basics. The book contains all the theorems that are used in the chapter along with their solutions. This helps the students who are curious to find out about the derivation of a formula.

The book is widely used by students and can be referred for the study of any chapters to secure good marks in the examination.

## FAQs on RD Sharma Class 11 Solutions Chapter 17 - Combinations (Ex 17.2) Exercise 17.2

1. Where can we find the solutions for RD Sharma Class 11  Chapter 17 - Combination (Exercise 17.2)?

You can find everything you need on the Vedantu app or website. These resources are created by professionals in the field and the content is accurate and reliable. Students can find revision notes, important questions, question papers, and a whole lot more! These study materials are completely free and there is no cost involved. All students have to do is sign in and then you will be able to download what you want in pdf format. You can take advantage of these free resources that will surely help you ace your exams.

2. Why is studying from the RD Sharma book essential for Class 11?

RD Sharma is carefully designed for Class 9 students. This book follows the latest syllabus  of Education boards. Hence, it is sufficient while preparing for Class 11 exams. It explains concepts in a clear and systematic manner. It is one of the best when it comes to strengthening your fundamentals. It has numerous solved examples and exercises that add to a student’s learning. It will cover everything that can be asked in the exam. Hence, students are advised to study RD Sharma.

3. What are the topics covered in Chapter 17 of the Class 11 Math?

The chapter starts with a brief introduction of Permutation and Combination so the students can get a general idea of the topic and prepare themselves for it. Then, it progresses into explaining the Fundamentals of Principle of Counting. After this one of the main topics is introduced i.e Permutation (introduction, solved questions, unsolved questions). Explanation and exercises of Permutation when all the objects are distinct and when all the objects are not distinct. Lastly Combination is introduced with different exercises to understand the core of the concept. Here is some useful information for students about Combination.

4. Is it necessary to solve all the questions in Combination chapter Exercise 17.2?

It is always better to solve all the chapter exercises as these give you practice. Math is not a subject that you can just read or memorize. It requires hard work and practice. RD Sharma book is well designed for Class 11 students and has examples and exercises after every section. After going through each section, go through the solved examples and understand them completely. Then move on to the exercises and try to solve them. There are chances of the same questions coming in the examination so students are advised to practice the sums in the exercises well.

5. How to score well in Class 11 Math Combination chapter?

Practicing Math is the only way to score well in class 9 Math. Solve all the chapter exercises. This will improve your problem-solving ability and improve your speed and efficiency. You can make notes of important formulas, definitions, and equations in a notebook and revise them regularly. Solve sample papers and question papers of previous years within a time limit. This will get you familiar with the paper pattern, question type as well as improve your time management skills. Revise regularly so that you’re able to retain all you’ve studied for a longer period.