If A = {1,2,3} and B = {3,4}, then (A ∪ B) X (A ∩ B) is
{3,3}
{(1,3), (2,3), (3,3), (1,4), (2,4), (3,4)}
{(1,3), (2,3), (3,3)}
{(1,3), (2,3), (3,3), (4,3)}
Two finite sets A and B having m and n elements. The total number of relation A to B is 64, then possible values of m and n are.
2 and 4
2 and 3
2 and 1
64 and 1
If (a,b) = (2,3), then (a2+1, b2+2) is equal to
(3,5)
(5,11)
(1,2)
None of these
What is the value of x for which the function f(x) = 5/3x-2 becomes meaningless ?
5
3
3/2
2/3
Let R be a set of real numbers and let S be a relaion defined on R as follows. xSy, iff x2+y2=1.Which one of the following statements is correct?
S is a reflexive relation
S is a symmetric relation
S is a transitive relation
S is an anti-symmetric relation
If A = {5,6,7} and B= {1,2,3,4} , then number of elements in set AxBxB is equal to
36
48
16
If AxB = {(1,1), (1,2), (1,3),(2,1),(2,2),(2,3)}, then A is equal to
{1,2}
{1,2,3}
{2,3}
If A, B and C are non empty sets then Ax (B ∪ C)=
(AxB) ∩ (AxC)
(AxC) ∩ (AxA)
(AxB) ∪ (BxC)
(AxB) ∪ (AxC)
Let f: A→ B. If two or more than two elements have the same image in B, then f is said to be
Many one function
One- one function
Unto function
Into function
The relation R defined on Set
{(-2,2), (-1,1), (0,0), (1,1), (2,2) }
{(-2,-2), (-2,2), (-1,1), (-1,-1), (0,0), (1,-2), (1,2), (2,-1), (2,-2)}
{(0,0), (1,2), (2,2)}
