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