Which of the following statement is true?
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
In a class of 30 girls , 25 girls study French, 10 German and 5 neither of the two.How many girls study both ?
15
5
10
120
A U Ø = Ø U A = A, the law stated here is
Law of identity
Idempotent Law
Commutative law
Associative
Find the odd one.
The collection of good cricket players of India is a set
The collection of difficult topics in mathematics is a set
The collection of most talented writers of India is a set
A collection of vowels in English alphabets is a set.
Two sets A and B are disjoint if
A U B = Ø
A U B = B
A ∩ B = A
A ∩ B = Ø
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}
(A U B) U C = A U (B U C ) , the property used here is
Commutative
Idempotent law
If A , B , C are any three sets , which of the following satisfies transitive property .