If x = { Multiple of 2 } x Y = {Multiple of 5 }, z = { multiples of 10 } then x ∩ (Y∩z) is equal to ________.
{multiples of 10 }
{multiples of 5 }
{multiples of 2 }
{multiples of 20 }
A set having only one element is called
null set
Singleton set
Equal set
None
A set which is empty or having finite number of elements is a _________set.
Infinite
Finite
Singleton
The set builder form representation of A = {2,4,6,8,10} is _________
A = {x:x is an odd number ≤10}
A = {x:x is an even number ≥10}
A = {x; x is an even number≤10 }
None of these
If A = { x: x = n2, n = 1, 2, 3 }, then number of proper subsets is _______.
3
8
7
Let A and B be subsets of x and let C = (A∩B') U (A'∩B); then C is equal to ________.
(AUB' )/ (A∩B')
(A'UB)/ (A'∩B)
(AUB)/ (A∩B)
(A'UB' )/ (A'∩B')
The group of beatiful girls is _______.
A null sets
A finite set
A singleton set
Not a set
Consider the following Venn diagramIf |E| = 42, |A| = 15, |B| = 12 and |AUB| = 22, then the area represented by the shaded portion in the above venn diagram is _______.
25
27
32
37
The set A is called ___________of set B if every element of A is also an element of B.
Super set
Subset
Proper set
Real set
X and Y are two sets such that X has 20 elements, X∪Y has 40 elements.How many elements does Y have ?
10
40
20
30
