If A is a proper subset of B, then =
A
B
A∩B
Which of the following statements are true?i) For any set A, A is a proper subset of Aii) For any set A, is a subset of Aiii) For any set A, A is a subset of A
(i) and (ii)
(ii) and (iii)
(i) and (iii)
(i), (ii) and (iii)
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
3
2
1
0
If a finite set A has m elements, then the number of non-empty proper subsets of A is
2m
2m -1
2m-1
2(2m-1-1)
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}
If A is a proper subset of B, then A∩B =
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 shaded region in the figure represents
A - B
B - A
A'
B'