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