Find the odd one.
The collection of good cricket players of India is a set.
The collection of difficult topics in Mathematics is a set.
The collection of most talented writers of India is a set.
A collection of vowels in English alphabets is a 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}
None of these
Let S = {0,1,5,4,7}. Then the total number of subset of 'S' is
64
32
40
20
If A = {1,2,3,4,5} then the number of proper subset of A = ?
5
25
31
If P = {1,2,3,4,5} and Q = {4,5,6,7} then P - Q is -------
{1,2,3,4,6,7}
{1,2,3,-6,-7}
{1,2,3}
{4,5}
Let A = {3,6,9,4} B = {a,b,c,f} then A and B are
Equal sets
Equivalent sets
Infinite sets
Given the sets A = {1,2,3}, B = {3,4} C = {4,5,6} then A∪(B∩C) is
{3}
{1,2,3,4}
{1,2,4,5}
{1,2,3,4,5,6}
Which of the following is a null set ?
A = {x:x is >1 and x is
B = {x:x + 3 = 3}
C = {∅}
D = {x:x≥1 and x≤1}
Which among the following is an empty set ?
{0}
{}
{∅}
0
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)