Chapter 7 in NCERT Mathematics - Class 11
Permutations And Combinations
5 exercises
42 questions
Exercise 7.1
Page 138
Question 1
3 mins
Question 2
2 mins
Question 3
2 mins
Question 4
2 mins
Question 5
2 mins
Question 6
2 mins
Exercise 7.2
Page 140
Question 1
2 mins
Question 2
2 mins
Question 3
47 secs
Question 4
2 mins
Question 5
3 mins
Exercise 7.3
Page 148
Question 1
56 secs
Question 2
2 mins
Question 3
2 mins
Question 4
3 mins
Question 5
2 mins
Question 6
54 secs
Question 7
4 mins
Question 8
2 mins
Question 9
3 mins
Question 10
6 mins
Question 11
9 mins
Exercise 7.4
Page 153
Question 1
2 mins
Question 2
5 mins
Question 3
2 mins
Question 4
52 secs
Question 5
2 mins
Question 6
2 mins
Question 7
2 mins
Question 8
58 secs
Question 9
2 mins
Miscellaneous Exercise on Chapter 7
Page 156
Question 1
2 mins
Question 2
2 mins
Question 3
6 mins
Question 4
4 mins
Question 5
2 mins
Question 6
3 mins
Question 7
3 mins
Question 8
2 mins
Question 9
3 mins
Question 10
3 mins
Question 11
3 mins