Which one represent the empty set
{}
0
{0}
None of these
Two equal sets are always
Equivalent set
Disjoint set
Singleton set
If A = {a, b, c} then power set of A is
{a, b, c, ∅}
{{a}, {b}, {}}
{{a}, {b}, {c}, {a, b}, {a, c}, {b, c}, {a, b, c}}
{{a}, {b}, {c}, {a, b}, {a, c}, {b, c}, {a, b, c}, {}}
If n(A) = 10 n(B) = 6 n(A∩B) = 4, then n(A∪B) = ?
16
20
10
12
Let A = {3, 6, 9, 4} B = {a, b, c, f} then A and B are
Equal sets
Equivalent sets
Infinite sets
A set which contains no element is called __________
Infinite set
Empty set
Equal set
If A = {a, b, c, d, e}. Then n(A) =
5
3
25
A ∩ Φ =
A
Φ
Not defined
If a set A containing n elements, then the number of subset of A is
n2
2n
2n - 1
The smallest set A such that A {1,2} = {1, 2, 3, 5, 9} is
{3, 5, 9}
{2, 3, 5}
{1, 2, 5, 9}
