If S and T are Two sets such that S has 21 elements T has 32 elements and S∩T has 11 elements, how many elements does ST have?
40
41
42
45
For any two sets A and B, A' - B' =
A ∩ B
B-A
A - B
AUB
If A = { 1, 2, 3, 4, 5}. Then n [P(A)] =
4
8
16
32
The domain of the function f = {(1,2)(2,3)(3,4)(4,5)} is
{1,2,3,4}
{2,3,4,5}
{1,2,3,5}
{1,3,5}
List all the elements of the set
F = { x : x is an integer, - 1/2 < x < 9/2}
{ -1, 0, 1, 2, 3}
{ 0, 1, 2, 3 }
{ 0, 1, 2, 3, 4}
{ 1, 2, 3, 4}
Let A and B be subsets of a set X. Then
A - B = A∪B
A - B = A∩B
A - B = Ac ∩ B
A - B = A∩Bc
Sets A and B have 3 and 6 elements respectively. What can be the minimum number of elements in A∪B ?
3
6
9
18
If f(x) = 3x and g(x) = 3/x then gof is
x
x/3
3/x
1/x
If P∪Q = {5, 11, 14, 17, 19, 20}, P∩Q = {14} and p = {5, 11, 14, 17}, then Q
{17, 19, 20}
{14, 19, 17, 20}
{5, 14, 17, 19, 20}
{14,1 9, 20}
If {(-3, a)(4, 5)} represents a constant function then the value of a is
5
-3
