EduSahara™ Assignment
Name : Set Cardinality Problems
Chapter : Sets
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
Find the cardinality of A = {4,5,8,0,-9}
(i)
7
(ii)
6
(iii)
4
(iv)
5
(v)
3
Question
2
2.
If A = {-4,-3,-7,-9}, then n(A) = ?
(i)
4
(ii)
2
(iii)
5
(iv)
3
(v)
6
Question
3
3.
If μ = {0,-2,-9,6,-5,-1,9,7,-4,4,1,-6,-3}, A = {0,-2,-9,6,-5} and B = {-1,9,7,-4,4}, find n(A)
(i)
5
(ii)
4
(iii)
8
(iv)
6
(v)
2
Question
4
4.
If μ = {3,-9,8,-7,4,2,-2,-5,-3,6,1,-1,9,-8}, A = {3,-9,8,-7,4} and B = {-7,2,-2,-5,-3,4}, find n(B)
(i)
4
(ii)
5
(iii)
6
(iv)
8
(v)
7
Question
5
5.
If μ = {-2,-4,4,5,-8,-5,-6,6,2,0,1,8,-9,3,9,7,-7}, A = {-2,-4,4,5,-8,-5} and B = {-6,-5,6,2,0,1,-8}, find n(A ∪ B)
(i)
10
(ii)
14
(iii)
9
(iv)
11
(v)
12
Question
6
6.
If μ = {-3,-2,5,-6,3,-1,-4,-8,9,4,2,6,-9,-7}, A = {-3,-2,5,-6,3,-1} and B = {-4,-8,9,4,2,-2}, find n(A ∩ B)
(i)
4
(ii)
1
(iii)
2
(iv)
(-1)
(v)
0
Question
7
7.
If μ = {-6,6,-3,-7,0,7,9,-4,-2,4,5,2,-5,1}, A = {-6,6,-3,-7,0,7} and B = {6,9,-3,0}, find n(A − B)
(i)
2
(ii)
3
(iii)
6
(iv)
0
(v)
4
Question
8
8.
If μ = {6,-4,9,1,-6,-9,-3,4,-8,-1,-5,3,5,-2}, A = {6,-4,9,1} and B = {-6,6,-9,-3,9,1,4}, find n(B − A)
(i)
4
(ii)
6
(iii)
5
(iv)
3
(v)
1
Question
9
9.
If μ = {-4,5,6,8,-7,-2,1,-9,7,-5,-1}, A = {-4,5,6,8} and B = {-7,-2,8,1}, find n((A − B) ∪ (B − A))
(i)
4
(ii)
9
(iii)
5
(iv)
6
(v)
7
Question
10
10.
If μ = {5,-7,3,-8,-1,9,8,-9,-5,-2,7,4,6,-3,-6}, A = {5,-7,3,-8,-1,9} and B = {8,-9,5,-5,3}, find n((A ∪ B) − (A ∩ B))
(i)
10
(ii)
7
(iii)
6
(iv)
4
(v)
8
Question
11
11.
If μ = {7,-4,-9,-1,-8,-7,9,4,-3,1,2,6}, A = {7,-4,-9} and B = {-9,-1,-8,-7,9,-4,4}, find n(A')
(i)
10
(ii)
11
(iii)
7
(iv)
8
(v)
9
Question
12
12.
If μ = {6,-5,-1,2,9,-3,-6,0,4,-9,-8,3,-4,7}, A = {6,-5,-1,2} and B = {-1,9,-5,-3,-6,0,4}, find n(B')
(i)
6
(ii)
5
(iii)
9
(iv)
8
(v)
7
Assignment Key
1) (iv)
2) (i)
3) (i)
4) (iii)
5) (iv)
6) (ii)
7) (ii)
8) (i)
9) (iv)
10) (ii)
11) (v)
12) (v)
