Which of the following is an empty set?
{0}
{ }
{Ø}
0
If A = { 1,3, 5, 7, 9, 11}, the cardinal number of A = ------
62
6
3
5
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.
(A U B) U C = A U (B U C ) , the property used here is
Commutative
Associative
Law of identity
Idempotent law
Which of the following statement is true?
Which of the following is a subset of every set?
empty set
set of natural numbers
set of rational numbers
set of whole numbers
If A and B are any two sets then ,
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}
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
10
120
