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}
None of these
if f: R→R defined by f(x) = 3x - 6 and g:R→R defined by g(x) = 3x +k. if f o g = g o f then k is
-5
5
6
-6
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
If A = {2, 3, 4}, B = {1, 3, 5, 7} U = {1, 2, 3.......8} then (A∪B)' is
{6, 8}
{1, 2, 3, 4, 6, 7}
{3}
{8}
If P (A) = P (B), then
AB
BA
A = B
A = AUB
If A = {a, c, e, g} B = {b, d, e, f} then A - B =
{b, d, f}
{g}
{f}
{a, c, g}
If P = { x : x N and x is a prime number}, then p is
Finite
Infinite
Null set
None
Let A = { 1, 3, 5, 7, 9} and ß = { 3, 4, 5, 6} and
u = { 1, 3, 5, 7, 9}. find ( A-B)
{1,3,5}
{7,9}
{3,5}
{1,7,9}
If A is a subset of B, then A ∩ B is
A
B
{}
A∪B
If A, B, C are three sets, then An(B∪C) is equal to
(A∪B) ∩ (A∪C)
(A∩B) ∪ (A∩C)
(A∪B) ∪ (A∪C)
none of these
