Ch7. Permutations and Combinations

In this self study course, you will learn fundamental theorem of counting, factorial, permutations and combinations. For further understanding of concepts and for examination preparation, this course has explanation of all NCERT Exercise questions and important NCERT examples. This course also has assignments that have questions from Board’s Question Bank, RD Sharma, NCERT Exemplar etc. instead of only one book. The PDF of assignments can be downloaded within the course.

Ch7. Permutations and Combinations

Course Content

Fundamental Principle of Counting

NCERT Exercise 7.1

Question – 1

Question – 2

Question – 3

Question – 4

Question – 5

Question – 6

Introduction to Factorial

NCERT Exercise – 7.2

Question – 1

Question – 2

Question – 3

Question – 4

Question – 5

What is Permutations?

Permutations in Online Passwords

NCERT Exercise 7.3

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Permutations with same letters and numbers

NCERT Examples

Example 14

Example 16

NCERT Exercise 7.3

Question 10

Question 11

Permutations versus Combinations

NCERT Exercise 7.4

Question 1

Question 2

Question 3

Permutations v/s Combinations detailed example

Working with AND – OR in Questions

NCERT Exercise 7.4

Question 4

Question 5

Example 19

NCERT Exercise 7.4

Question 6

Question 7

Question 8

Question 9

NCERT Miscellaneous Exercise

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

PDF of Notes and Assignments

Introduction

Question – 1 (NCERT Example – 20)

Question – 2 (NCERT Example – 21)

Question – 3 (NCERT Example – 22)

Question – 4 (NCERT Example – 23)

Question – 5 (NCERT Example – 24)

Question – 6

Question – 7

Question – 8

Question – 9

Question – 10

Question – 11

Question – 12