EduSahara™ Assignment
Name : Set Cardinality Problems
Chapter : Sets
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
Find the cardinality of A = {-9,-1}
(i)
2
(ii)
3
(iii)
1
(iv)
5
(v)
(-1)
Question
2
2.
If A = {-8,-7,-1,-9,2}, then n(A) = ?
(i)
6
(ii)
3
(iii)
8
(iv)
4
(v)
5
Question
3
3.
If μ = {0,-3,-4,-6,7,3,1,5,-2,4,-7,8,6,-1,-9,-5}, A = {0,-3,-4,-6,7,3} and B = {1,5,-2,4,-7,0,8}, find n(A)
(i)
3
(ii)
5
(iii)
9
(iv)
6
(v)
7
Question
4
4.
If μ = {-2,1,-7,-1,-4,6,-5,8,-3,5,3,-8,-6}, A = {-2,1,-7,-1,-4} and B = {6,-2,-7,-4,-5}, find n(B)
(i)
7
(ii)
6
(iii)
3
(iv)
5
(v)
4
Question
5
5.
If μ = {2,6,-6,8,9,4,-1,1,-3,-9,0,-7,-2,-4,7,-8,-5}, A = {2,6,-6,8,9,4} and B = {-1,1,-3,-9,6,0,2}, find n(A ∪ B)
(i)
11
(ii)
13
(iii)
10
(iv)
12
(v)
8
Question
6
6.
If μ = {-5,-4,-9,-8,8,-1,-2,6}, A = {-5,-4,-9} and B = {-4,-9,-8}, find n(A ∩ B)
(i)
0
(ii)
3
(iii)
2
(iv)
1
(v)
5
Question
7
7.
If μ = {9,-7,-3,6,1,-1,2,0,8,-5}, A = {9,-7,-3} and B = {6,1,-3,-1,9}, find n(A − B)
(i)
3
(ii)
1
(iii)
0
(iv)
(-2)
(v)
2
Question
8
8.
If μ = {8,2,7,-5,1,-2,6,5,9,-7,-9,-6,-1}, A = {8,2,7,-5} and B = {1,-2,2,6,-5,5}, find n(B − A)
(i)
5
(ii)
4
(iii)
7
(iv)
3
(v)
2
Question
9
9.
If μ = {-4,-2,1,-9,4,-5,-3,5,7,-6,-7,0,-1,2,8}, A = {-4,-2,1,-9,4} and B = {-5,4,-4,-3,5,7,-6}, find n((A − B) ∪ (B − A))
(i)
6
(ii)
7
(iii)
9
(iv)
8
(v)
10
Question
10
10.
If μ = {9,3,-7,2,4,-4,-9,0,-8,-3,5}, A = {9,3,-7,2,4} and B = {-4,3,9}, find n((A ∪ B) − (A ∩ B))
(i)
3
(ii)
2
(iii)
4
(iv)
6
(v)
5
Question
11
11.
If μ = {5,-9,-7,-1,7,0,8,-2,6,-5,1,-8,-3,4}, A = {5,-9,-7,-1,7,0} and B = {-9,8,0,5}, find n(A')
(i)
6
(ii)
7
(iii)
11
(iv)
8
(v)
9
Question
12
12.
If μ = {-3,-8,9,1,5,-7,-1,0,3,-6,4}, A = {-3,-8,9} and B = {1,5,-7,-8,-1,0}, find n(B')
(i)
3
(ii)
4
(iii)
5
(iv)
7
(v)
6
Assignment Key
1) (i)
2) (v)
3) (iv)
4) (iv)
5) (i)
6) (iii)
7) (ii)
8) (ii)
9) (iv)
10) (iii)
11) (iv)
12) (iii)
