If A = [x:x is a multiple of 3] and B = [x:x is a multiple of 5], then A - B is
Ac∩B
A∩Bc
Ac∩Bc
(A∩B)c
If A∩B = B then
A ⊂ B
B ⊂ A
A = ∅
B = ∅
If A, B, C are three sets, then A∩(B∪C) is equal to
(A∪B) ∩ (A∪C)
(A∩B) ∪ (A∩C)
(A∪B) ∪ (A∪C)
none of these
Given f(x) = (-1)x is a function from N to Z, the range of f is
{1}
N
{1, -1}
None of these
Let U = { 1, 2, 3,4, 5, 6, 7, 8, 9, 10}. A = {2, 4, 6, 8} and B = { 3, 4, 5, 6}Find ( A∪B)'.
{ 1, 3, 5, 7, 9, 10}
{1, 2, 9, 10}
{7, 9, 10}
{1, 7, 9, 10}
If A = {1, 3, 5}, B is the set of integers and f: A → B defined by f(x) = x2 - 1 then the range of f is
{1, 9, 25}
{0, 8, 24}
{3, 9, 24}
If R is the set of real numbers and Q is the set of rational numbers, then what is R - Q ?
Rational numbers
Irrational numbers
Real numbers
Integers
If {(2, 7), (4, x)} represents constant function then the value of x is
2
4
7
-2
Which of the following is a null set ?
{0}
{x:x>0 or x
{x:x2 = 4 or x=3}
{x: x2 + 1 = 0, x∈R}
Given A and B are sets and A - B = A, then
A and B are disjoint sets
A and B are over lapping sets
B is a subset of A
A is the subset of B
