Let ∪ = {1,2,3,4,,5,6,7,8,9,10}, A = {1,2,5} B = {6,7} then A∩B' is:
B'
A
A'
B
If A is set of all the letters in the word 'CONCENTRATE' then A = ?
A = {C,O,N,C,E,N,T,R,A,T,E}
A = {C,O,N,E,T,R,A}
{O,E,R,A}
None of these
The set A = {x : x∈R, x2 = 16 and 2x = 6} equals
∅
[14,3,4]
[3]
[4]
Let A = {3,6,9,4} B = {a,b,c,f} then A and B are
Equal sets
Equivalent sets
Infinite sets
Let S = {0,1,5,4,7}. Then the total number of subset of 'S' is
64
32
40
20
Which among the following is an empty set ?
{0}
{}
{∅}
0
Two equal sets are always -----------
an equivalent set
Disjoint set
Singleton set
If A = {1,2,3} and B = {1,3,5,7} then A∪B = ----------------
{1,3,5,7}
{1,2,3,5,7}
{1,2,3,7}
If A and B are not disjoint sets, then n(A∪B) is equal to
n(A) + n(B)
n(A) + n(B) - n(A∩B)
n(A) + n(B) + n(A∩B)
n(A) * n(B)
If A = {1,2,3,4,5} then the number of proper subset of A = ?
5
25
31
