EduSahara™ Assignment
Name : Set Cardinality Problems
Chapter : Sets
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
Find the cardinality of A = {-8,3,5,1,-2,-6,-7}
(i)
6
(ii)
8
(iii)
7
(iv)
5
(v)
10
Question
2
2.
If A = {-6,-2,5,2,-3,9,4,-8,-7}, then n(A) = ?
(i)
8
(ii)
10
(iii)
11
(iv)
9
(v)
7
Question
3
3.
If μ = {-5,0,7,-7,-6,8,1,-8,-4,-9,4,3}, A = {-5,0,7,-7} and B = {-7,-6,7,8,0}, find n(A)
(i)
1
(ii)
7
(iii)
5
(iv)
3
(v)
4
Question
4
4.
If μ = {6,-1,9,-5,-9,-8,5,-6,3,-4,-7}, A = {6,-1,9} and B = {-5,-9,-8,9,5,-6}, find n(B)
(i)
4
(ii)
5
(iii)
7
(iv)
8
(v)
6
Question
5
5.
If μ = {-8,9,3,6,0,-5,4,1}, A = {-8,9,3} and B = {6,0,9}, find n(A ∪ B)
(i)
4
(ii)
6
(iii)
3
(iv)
5
(v)
8
Question
6
6.
If μ = {-5,-2,1,0,-4,6,5,9,7,-6,-9,2,3,4,-1,-8,8}, A = {-5,-2,1,0,-4,6} and B = {5,9,7,1,6,-6,-9}, find n(A ∩ B)
(i)
0
(ii)
5
(iii)
1
(iv)
3
(v)
2
Question
7
7.
If μ = {6,0,-3,8,4,7,-5,-1,9,5,-2,1,2,-7}, A = {6,0,-3,8,4} and B = {7,-5,8,-1,9,5}, find n(A − B)
(i)
5
(ii)
4
(iii)
3
(iv)
7
(v)
1
Question
8
8.
If μ = {-3,-7,-2,1,-5,6,-9,8,4,9,2,3,5,-6,-1,-8}, A = {-3,-7,-2,1,-5,6,-9} and B = {8,4,9,2,3}, find n(B − A)
(i)
4
(ii)
5
(iii)
8
(iv)
6
(v)
3
Question
9
9.
If μ = {-6,8,7,5,-1,4,6,2,-2,-3,9,1,-5,-9}, A = {-6,8,7,5,-1,4,6} and B = {2,4,-2}, find n((A − B) ∪ (B − A))
(i)
5
(ii)
9
(iii)
8
(iv)
7
(v)
10
Question
10
10.
If μ = {8,7,4,-2,-4,2,-5,-9}, A = {8,7,4} and B = {-2,-4,7}, find n((A ∪ B) − (A ∩ B))
(i)
3
(ii)
1
(iii)
5
(iv)
6
(v)
4
Question
11
11.
If μ = {7,9,6,2,0,-3,1,-1,-7,3,-2,-8}, A = {7,9,6} and B = {2,7,0,-3,1,-1,6}, find n(A')
(i)
9
(ii)
8
(iii)
11
(iv)
10
(v)
7
Question
12
12.
If μ = {4,-1,8,-7,-4,-9,-3,6,9,7,-6,-2,2}, A = {4,-1,8,-7} and B = {-4,-9,-3,4,6,9}, find n(B')
(i)
7
(ii)
6
(iii)
4
(iv)
8
(v)
9
Assignment Key
1) (iii)
2) (iv)
3) (v)
4) (v)
5) (iv)
6) (v)
7) (ii)
8) (ii)
9) (iii)
10) (v)
11) (i)
12) (i)
