If A = {1,{5,6},4}. Which of the following is correct?
{5,6} A
{5} A
{7} A
{6} A
Which one of the following is correct?
{x : x2 = -1, x Z} =
= 0
= {0}
= {}
Which of the following is a correct statement?
Φ {a,b}
{a,b}
{a} {a,b}
a {a,b}
The number of subsets of the set {10,11,12} is
3
8
6
7
If n(X) = m, n(Y) = n and n(X∩Y) = p, then n(XY) =
m + n+ p
m + n - p
m - p
m - n + p
The number of elements of the set{x : x Z, x2 = 1} is
2
1
0
If A is a proper subset of B, then A∩B =
A
B
If A = {3,4,5,6} and B = {1,2,3,5,6}, then =
{1,2,3,4,5,6}
{1,2,3,4,6}
{1,2,5,6}
{3,4,5,6}
If U = {1,2,3,4,5,6,7,8,9,10} and A = {2,5,6,9,10} then A' is
{2,5,6,9,10}
{1,3,5,10}
{1,3,4,7,8}
Given A and B are sets and A - B = A, then
A and B are disjoint sets
A and B are over lapping sets
B is a subset of A
A is the subset of B
