Which of the following is a singleton set.
Let A be a set, then collection of subsets of A is called _______.
Singleton set
Power set
Universal set
Empty set
Let A, B, C be any three non - empty sets. If AUB = AUC then which one of the following is definitely true ?
B = C
B C
C B
None of these
Let A and B be subsets of x and let C = (A∩B') U (A'∩B); then C is equal to ________.
(AUB' )/ (A∩B')
(A'UB)/ (A'∩B)
(AUB)/ (A∩B)
(A'UB' )/ (A'∩B')
Two sets A and B are said to be __________,if they contain same elements.
Same
Equal
Equivalent
Unequal
A set which is empty or having finite number of elements is a _________set.
Infinite
Finite
Singleton
None
If n ( A ) = 8, n ( A ∩ B ) = 2, then n ( A - B) is equal to ________.
8
2
4
6
The set builder form representation of A = {2,4,6,8,10} is _________
A = {x:x is an odd number ≤10}
A = {x:x is an even number ≥10}
A = {x; x is an even number≤10 }
If A and B are any two sets, then A ∩ B = ______.