Let ={1,2,3.......10} A = {2,3,5,8,10}B= {3,5,9} and C={1,2,4,8,10}A U C =_______ .
{1,2,3,4,5,8,10}
{1,2,4,6,8}
{1,2,4,6,8,10}
If A = {2,3,5} B = { 3,7 },then A - B is _______ .
{ 2,5,7}
{2,3,5,7}
{7}
{2,5}
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
3
28
If A = {1,2,3} ; B = {2,3,5} A U B is _________ .
{1,2,3,4,5}
{1,2,3,5}
{1,2,3,2,3,5}
none of these
A set of single digit number ending with 2 is ___________ .
Singleton set
Infinite set
Finiteset
None of these
The set with Cardinal number o is _______.
null set
Finite set
Subset
Let ={1,2,3 ......12} and A = {4,6,8,10,12 }
Find
{1,2,3,4,5,9,11}
{5,7,9,11}
{1,3,5,7,9,11}
{1,2,3,5,7,9,11}
If n (A) = 42 , n (B) = 38, n (A U B ) = 70 then (A ∩ B ) is equal to _________ .
6
4
12
10
Let A = { factors of 36} and B= {factors of 48}
Which of the following is correct ?
n (A U B) = n (A) + n(B) - n(A∩B)
n (A U B) = n (A) + n(B) + n(A∩B)
n (A U B) = n (A) + n(B)
n (A U B) = n (A ∩B) - n(A) - n(B)
If = {1,2,3,4,5,6,7,8},A = {1,2,3,4} , B={2,4,5,7} and C={2,4,6,8}
Find B1.
{2,4,5,7}
{2,4,6,8}
{1,3,6,8}
{1,3,4,6,8}
