Let the universal set be write A = {x:x≥15}
{1,2,3,4,5,10,15}
{15,16,17,18,19,20,21,22,23,24}
{10,11,12,13,14}
{15}
The disjoint sets in the following are _______ .
A={4,5,6,7} ;B = {1,2,3,4}
A = {a,b,c} ; B ={1,2,3}
A = {1,3,5} ; B = {5,3,1}
None of these
If A = {2,3,5} ; B = {1,3,5} then A-B is __________ .
{2}
{}
{1,2}
none of these
Let A = {factors of 36} and B={factors of 48} Find A ∩ B
{1,5,7,11}
{1,2,3}
{1,2,3,4,5,6,12}
{1,2,3,4,6,12}
Given A = {a,b,c} B = {a,c,d} then A ∩ B is _______ .
{a,b,c,d}
{a,b,c}
{a,c,d }
{ a , c}
Let ={1,2,3.......10} A = {2,3,5,8,10}B= {3,5,9} and C={1,2,4,8,10}A'U B' =_______ .
{1,2,4,6,7,8,10}
{1,4,6,7,9,10}
{1,2,4,6,7,8,9,10}
{1,4,6,8,10}
Sets having same number of elements are called _____________ .
Overlapping sets
Disjoint sets
Equivalent sets
Equal sets
Let = {1,2,3,4,.........50}
X={x:x is divisible by 2 and 3 }, y={x:x=n2,nεN} and Z={x:x is a factor of 42} ,Which of the following is true ?
x and y are disjoint
y and z are joint
x↔y
y↔z
The set with Cardinal number o is _______.
null set
Finite set
Infinite set
Subset
Let ={1,2,3.......10} A = {2,3,5,8,10}
B= {3,5,9} and C={1,2,4,8,10}
(A U B)1=_______ .
{1,4,6,7}
{1,3,5,7}
{1,2,3,5,9,10}
ø
