RD SHARMA Solutions for Class 11-science Maths Chapter 17 - Combinations

Chapter 17 - Combinations Exercise Ex. 17.1

Question 1(i)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 1(i)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 1(ii)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 1(ii)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 1(iii)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 1(iii)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 1(iv)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 1(iv)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 1(v)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 1(v)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 2

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 2

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 3

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 3

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 4

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 4

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 5

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 5

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 6

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 6

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 7

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 7

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 8

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 8

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 9

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 9

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 10

If n + 2C8 : n - 2P4 = 57 : 16, find n.

Solution 10

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 11

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 11

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 12

If nC2, nC5 and nC6 are in A.P., then find n

Solution 12

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 13

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 13

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 14

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 14

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 15

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 15

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 16

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 16

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 17

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 17

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 18

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 18

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 19

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 19

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 20 (i)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 20 (i)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 20(ii)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 20(ii)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 20(iii)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 20(iii)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 20(iv)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 20(iv)

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Chapter 17 - Combinations Exercise Ex. 17.2

Question 1

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 1

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 2

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 2

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 3

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 3

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 4

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 4

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 5

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 5

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 6

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 6

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 7

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 7

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 8

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 8

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 9

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 9

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 10

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 10

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 11

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 11

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 12

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 12

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 13

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 13

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 14

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 14

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 15

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 15

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 16

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 16

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 17

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 17

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 18

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 18

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 19

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 19

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations
Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations
Question 20

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 20

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 21

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 21

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 22

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 22

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 23

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 23

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 24

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 24

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 25

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 25

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 26

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 26

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 27

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 27

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 28

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 28

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 29

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 29

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 30

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 30

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations
Question 31

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 31

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 32

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 32

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 33

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 33

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Chapter 17 - Combinations Exercise Ex. 17.3

Question 1

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 1

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 3

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 3

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 5

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 5

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 6

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 6

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 7

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 7

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations
Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 8

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 8

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 9

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 9

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 10

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 10

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 11

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 11

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 2

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 2

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 4

Find the number of permutations of n distinct things taken r together, in which 3 particular things must occur together.

Solution 4

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Chapter 17 - Combinations Exercise Ex. 17VSAQ

Question 1

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 1

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 2

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 2

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 3

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 3

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 4

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 4

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 5

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 5

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 6

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 6

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 7

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 7

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 8

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 8

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 9

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 9

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 10

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 10

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Question 11

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations

Solution 11

Rd-sharma Solutions Cbse Class 11-science Mathematics Chapter - Combinations