Ch7. Permutations and Combinations

Fundamental Principle of Counting

Fundamental Principle of Counting

NCERT Exercise 7.1

6 Subtopics

Factorial

Introduction to Factorial

NCERT Exercise – 7.2

5 Subtopics

Permutations

What is Permutations?

Permutations in Online Passwords

NCERT Exercise 7.3

9 Subtopics

Permutations with same letters and numbers

2 Subtopics

NCERT Exercise 7.3

2 Subtopics

Combinations

Permutations versus Combinations

NCERT Exercise 7.4

3 Subtopics

Permutations v/s Combinations detailed example

Working with AND – OR in Questions

NCERT Exercise 7.4

2 Subtopics

NCERT Exercise 7.4

4 Subtopics

Miscellaneous Questions from NCERT

NCERT Miscellaneous Exercise

11 Subtopics

Assignments

PDF of Notes and Assignments

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 – 10

Question – 11

Question – 12

Fundamental Principle of Counting

Ch7. Permutations and Combinations Fundamental Principle of Counting