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
A set of single digit number ending with 2 is ___________ .
Singleton set
Infinite set
Finiteset
If n (A U B) = 110 ,n (A ∩ B ) = 32 , then n (A) + n (B) is equal to _____________ .
6
30
142
78
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}
The set is __________ .
A U B
A ∩ B
A - B
A Δ B
Let ={1,2,3.......12} and A={4,6,8,10,12}
A ∩ A'=__________ .
ø
{1,2,3,4,5,7,11}
{1,5,7,9,11}
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 Cardinal number of the set A = {1,3,5,7} is _______ .
4
3
{1,3,5,7}
0
A,B and C are three sets ,n(A) = 14,n(C)=13,n(AUBUC) = 28,n(A)=n(B),n(A∩B)=7 n(A∩C)=3 Find n (A∩B∩C)
1
2
28
The set is ____ .
