{ 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 }
If two sets have the same elements, then the sets are called _____________.
Finite set
Empty set
Equal sets
Equivalent sets
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 }
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}
If A = { letters of the word CULCUTTA } and B = { letters of the word KOLKATA }, then A ∩ B is
{ C, K, O }
{ A, L T }
{C, A, L, T }
{ A, L, T, O }
Write { a, e, i, o, u } in description method.
{ letters in English alphabet }
{ vowels in English alphabet }
{ consonents in English alphabet }
None of these
If n ( A ) = 7, n ( B ) = 5 and n ( A ∩ B ) = 4, Find n ( A U B )
8
7
9
12
A set with unlimited number of different elements is called _________.
finite set
Infinite set
Singleton set
Write { x : x ∈ I and -3 < x ≤ 3 }
{ -3, -2, -1, 0, 1, 2, 3 }
{ -2, -1, -1 0, 1, 2, 3, }
{ -3, -2, -1, 0, 1, 2, }
{ 0, 1, 2, 3 }
If P = { letters of R A N C H I } and Q = {letters of { G A N D H I }. Then n ( PUB ) =
6
10