If A is a set of all letters in the word ' CONCENTRATE' then A is
A = { C, O, N, C, E, N, T, R, A, T, E}
A = { C, O, N, E, T, R, A}
A = { O, E, R, A}
None of these
If A = {4, 8, 12, 16, 20, 24}, then set builder form of A is
{x/x is a multiple of 2}
{x/x is an even number}
{x/x is an odd number}
If A = { 1,3, 5, 7, 9, 11}, the cardinal number of A = ------
62
6
3
5
Two sets A and B are disjoint if
A U B = Ø
A U B = B
A ∩ B = A
A ∩ B = Ø
If P = { 1, 2, 3, 4, 5} and Q = {4, 5, 6, 7} then P - Q is
{1, 2, 3, 4, 6, 7}
{1, 2, 3, -6, -7}
{1, 2, 3}
{4, 5}
A U Ø = Ø U A = A, the law stated here is
Law of identity
Idempotent Law
Commutative law
Associative
In a class of 30 girls , 25 girls study French, 10 German and 5 neither of the two.How many girls study both ?
15
10
120
If A = {1, 2, 3} and B = {1, 3, 5, 7}, then A U B =
{1, 3, 5, 7}
{1, 2, 3, 5, 7}
{1, 2, 3, 7}
Which of the following statement is true?
If A , B , C are any three sets , which of the following satisfies transitive property .