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,-5,3,-9}
(i)
4
(ii)
5
(iii)
6
(iv)
1
(v)
3
Question
2
2.
If A = {4,1}, then n(A) = ?
(i)
1
(ii)
5
(iii)
(-1)
(iv)
2
(v)
3
Question
3
3.
If μ = {-8,-5,-9,-7,9,-6,-3,3,5,7,-1,2,-2,4}, A = {-8,-5,-9,-7,9} and B = {-8,-9,-6,-3,3,9}, find n(A)
(i)
6
(ii)
5
(iii)
7
(iv)
4
(v)
2
Question
4
4.
If μ = {0,-8,6,7,5,-3,-5,3,2,9,-6,-9,8}, A = {0,-8,6,7} and B = {5,-8,-3,0,6,-5}, find n(B)
(i)
9
(ii)
6
(iii)
5
(iv)
7
(v)
3
Question
5
5.
If μ = {2,7,-1,-7,3,6,-4,-8,-9,4,-3}, A = {2,7,-1} and B = {-7,3,6,-4,-8,7}, find n(A ∪ B)
(i)
10
(ii)
7
(iii)
9
(iv)
5
(v)
8
Question
6
6.
If μ = {-4,-3,6,5,7,-1,-9,3,-2,9,4}, A = {-4,-3,6,5,7} and B = {5,-1,-9}, find n(A ∩ B)
(i)
1
(ii)
(-2)
(iii)
3
(iv)
0
(v)
2
Question
7
7.
If μ = {1,5,6,-4,3,-3,8,-2,-8}, A = {1,5,6} and B = {-4,1,5,6}, find n(A − B)
(i)
1
(ii)
3
(iii)
0
(iv)
(-3)
(v)
(-1)
Question
8
8.
If μ = {8,9,-2,6,2,-1,-9,0,4,-6,7,-8,3}, A = {8,9,-2,6,2} and B = {9,-1,-9,2,8}, find n(B − A)
(i)
4
(ii)
1
(iii)
2
(iv)
0
(v)
3
Question
9
9.
If μ = {2,6,7,-1,5,3,8,-2,9,-5,-7,-8,1}, A = {2,6,7,-1,5,3} and B = {2,5,-1}, find n((A − B) ∪ (B − A))
(i)
4
(ii)
3
(iii)
2
(iv)
5
(v)
0
Question
10
10.
If μ = {-6,9,4,-1,-3,6,2,8,-5,-7,1,7,-9,-4,0,3,-2}, A = {-6,9,4,-1,-3,6,2} and B = {8,-5,-7,1,-1,7}, find n((A ∪ B) − (A ∩ B))
(i)
12
(ii)
10
(iii)
8
(iv)
11
(v)
14
Question
11
11.
If μ = {-6,-3,3,6,4,2,-8,1,0,7,-9,-7,-1,-2}, A = {-6,-3,3,6,4,2,-8} and B = {1,0,7}, find n(A')
(i)
5
(ii)
7
(iii)
8
(iv)
10
(v)
6
Question
12
12.
If μ = {-9,8,0,2,-1,-3,6,7,-6,9,-7}, A = {-9,8,0} and B = {2,-1,-3,8,6,7}, find n(B')
(i)
5
(ii)
2
(iii)
6
(iv)
4
(v)
8
Assignment Key
1) (i)
2) (iv)
3) (ii)
4) (ii)
5) (v)
6) (i)
7) (iii)
8) (iii)
9) (ii)
10) (iv)
11) (ii)
12) (i)
