If A is any set, then n ( A' ) =
n ( u ) - n ( A )
n ( u )
n ( A )
n ( u ) . n ( A )
The set of natural numbers less than 5 is written as
{0,1,2,3,4}
{0,1,2,3,4,5}
{1,2,3,4}
{1,2,3,4,5}
{ x : x is a vowel in the word MATHEMATICS }. in Roster from is
{ a, a, e, i }
{ a, e, i }
{ a, t, e, i }
( a, a h, i }
If n ( A ) = 7, n ( B ) = 5 and n ( A ∩ B ) = 4, Find n ( A U B )
8
7
9
12
If two sets have the same numbers of elements, then the sets are called __________.
Finite set
Empty set
Equal sets
Equivalent sets
If two sets have the same elements, then the sets are called _____________.
Set of integers between - 2 and + 2 is represented in set-builder form as :
{ x : x ∈ I, -2 < x < + 2 }
{ x : x ∈ N , -2 < x < 2 }
{ x : x ∈ I, -2 ≤ x ≤ + 2 }
{ x : x ∈ N , -2 ≤ x ≤ + 2 }
{ y:y = n3, n ∈ W and n< 4 } in Roster form is
{ 0, 1, 2, 3, }
{ 1, 2, 3, }
{ 1, 8, 27 }
{0, 1, 8, 27 }
Write { a, e, i, o, u } in description method.
{ letters in English alphabet }
{ vowels in English alphabet }
{ consonents in English alphabet }
None of these
