NCERT Solutions · Class 11

NCERT Solutions for Class 11 Maths Chapter 7 Permutations and Combinations — Exercise 7.2

Step-by-step NCERT Solutions for Class 11 Maths Chapter 7 (Permutations and Combinations), Exercise 7.2. 5 questions with answers — read online free on NCERT Help.

Maths Chapter 7 Exercise 7.2 5 questions
ClassClass 11
SubjectMaths
ChapterChapter 7 — Permutations and Combinations
ExerciseExercise 7.2
Questions solved5

Exercises in this chapter

Questions & step-by-step answers

EXERCISE 7.2

NCERT class 11 maths chapter 7 Permutations and Combinations

Question 1:Evaluate (i) 8 ! (ii) 4 ! – 3 !

Exercise 7.2 maths class 11 Chapter 7 Permutations and Combinations

Question 2:Is 3 ! + 4 ! = 7 ! ?

CBSE class 11 maths ncert solutions Chapter 7

Question 3:Compute 8! 6!× 2!

class 11 maths solutions Permutations and Combinations

Question 4:If 1 1 6! 7! 8! x + = , find x

Question 5:Evaluate ( ) ! ! n n − r , when (i) n = 6, r = 2 (ii) n = 9, r = 5.

About this exercise

NCERT Solutions for Class 11 Chapter 7 Ex7.2 Permutations and Combinations

Frequently asked questions

Where can I read NCERT Solutions for Class 11 Maths Exercise 7.2?

You can read step-by-step NCERT Solutions for Class 11 Maths Chapter 7 Exercise 7.2 online on NCERT Help at this page — no download required.

How many questions are solved in Exercise 7.2?

This page includes 5 NCERT textbook questions with detailed answers.

What are the other exercises in this chapter?

Browse all exercises for Class 11 Maths Chapter 7 using the exercise switcher on this page or the full chapter list on the subject hub.