KEAM Important Chapters 2023: Practice Chapter-wise Questions

September 19, 202239 Insightful Publications

**NCERT Solutions For Class 11 Maths Chapter 7 Permutations and Combinations: **Detailed NCERT questions and answers for Class 11 Maths Chapter 7 are provided in this article. The top maths teachers provide these NCERT solutions at Embibe. These NCERT Solutions for Class 11 Maths Chapter 7 are created to serve every 11th grader with apt information in simple language.

Students can learn and practise their concepts from the NCERT Solutions available at Embibe. All the important topics of the chapter are covered, accompanied by practice questions collaborated from more than 50 books. Stay hooked to this article to get the NCERT Solutions for Class 11 Mathematics.

The table below highlights the important topics covered in the 7th Chapter – Permutations and Combinations. The Embibe library has 6 other books for students to refer to while preparing for the subject. Furthermore, the entire chapter has more than 1000 questions for practice, in which each topic has an average of 250 practice questions.

Now, besides practising the concepts, students can also strengthen their basics by using Embibe 3D videos, exemplars and explainers. The customisable tests are available at the end of the chapter. The tests help in giving the right exposure to the vast possibilities of questions that are likely to appear in the exam.

Exercise | Topics |

7.1 | Introduction |

7.2 | Fundamental Principle of Counting |

7.3 | Permutations |

7.3.1 | Permutations when all the objects are distinct |

7.3.2 | Factorial Notation |

7.3.3 | Derivation of the Formula |

7.3.4 | Permutations when all the objects are not distinct objects |

7.4 | Combinations |

A summary of the important points in Mathematics Chapter 7 of Class 11 is listed below. Therefore, students can refer to them for revision purposes.

- If there are two tasks such that one of them can be completed in m ways, and when it has been completed in one of these m ways, the other task can be completed in n ways, then the two tasks can be completed in m×n ways.
- If two tasks are such that they can be performed independently in m and n ways, then either of them can be performed in m + n ways.
- If n is a natural number and r is a positive integer such that 0≤r≤n, then nPr=n!(n−r)!
- If n is a real number and r is a positive integer such that 0≤r≤n, then nCr=n!(n−r)!r!.

If students want to ace their class 11 Maths exam, then they should refer to the NCERT solutions for all the chapters. They can find the chapter-wise solutions for Class 11 Maths below.

**1st Chapter: Sets****2nd Chapter: Relations and Functions****3rd Chapter: Trigonometric Functions****4th Chapter: Principle of Mathematical Induction****5th Chapter: Complex Numbers and Quadratic Equations****6th Chapter: Linear Inequalities****7th Chapter: Permutations and Combinations****8th Chapter: Binomial Theorem****9th Chapter: Sequences and Series****10th Chapter: Straight Lines****11th Chapter: Conic Sections****12th Chapter: Introduction to Three Dimensional Geometry****13th Chapter: Limits and Derivatives****14th Chapter: Mathematical Reasoning****15th Chapter: Statistics****16th Chapter: Probability**

**Ans: **There are 4 main topics in the 7th Chapter of Class 11 Maths. Students can find the details on this page.

**Ans:** There are 1000+ practice questions in the NCERT Solutions for Class 11 Maths Chapter 7.

**Ans: **You can get the NCERT Solutions for Class 11 Maths from this page.

**Ans: **Yes, NCERT Solutions for Class 11 Maths are helpful to ace the exams. The solutions are prepared based on recent NCERT guidelines.

**Ans:** Embibe library contains 6 books for Class 11 Maths and students can refer to them to score well in their exam.