The set of all subsets of a set A is called:
Anonymous Quiz
43%
Power set
42%
Universal set
11%
Complement set
4%
Intersection set
π19π₯4
Which of the following pairs of sets are equal?
Anonymous Quiz
12%
A = {1, 2}, B = {2, 3}
64%
A = {a, b}, B = {b, a}
18%
A = {x | x is an odd number}, B = {x | x is a prime number}
6%
A = {1, 3, 5}, B = {2, 4, 6}
π17π₯5β€2
What is the Cartesian product of sets A = {1, 2} and B = {x, y}?
Anonymous Quiz
30%
{(1, x), (2, y)}
11%
{(1, 1), (2, 2)}
6%
{(1, y), (2, x)}
52%
{(1, x), (1, y), (2, x), (2, y)}
π27β€4π₯2π2
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π Quiz Time! π―
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β€1
Which of the following is an empty set?
Anonymous Quiz
13%
{x: x is a real number and xΒ² = 1}
49%
{x: x is a real number and xΒ² = -1}
14%
{x: x is a real number and xΒ² = 9}
24%
{x: x is a real number and x = x}
β€4
The set A = {x: x is an even prime number greater than 2} is a:
Anonymous Quiz
21%
Finite Set
37%
Infinite Set
36%
Empty Set
6%
Singleton Set
β€2π₯°1
If a set A has n elements, then the total number of subsets of A is:
Anonymous Quiz
18%
n
37%
nΒ²
35%
2^n
10%
2n
β€1π1
If A = {1, 2, 3} and B = {3, 4, 5}, then A β© B is:
Anonymous Quiz
64%
{3}
26%
{1, 2, 3, 4, 5}
7%
{1, 2}
3%
{4, 5}
β€1
If A = {a, b} and B = {c, d}, then A U B is:
Anonymous Quiz
71%
{a, b, c, d}
22%
{{a,b}, {c,d}}
3%
{a, c}
4%
{b, d}
β€1
The set of intelligent students in a class is:
Anonymous Quiz
18%
A null set
19%
A singleton set
24%
A finite set
39%
Not a well-defined collection
β€1
Let A = {1, 2, {3, 4}, 5}. Which of the following statements is incorrect?
Anonymous Quiz
27%
{3, 4} β A
40%
{3, 4} β A
25%
{{3, 4}} β A
8%
1 β A
β€4
If U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and A = {1, 3, 5, 7, 9}, then A' is:
Anonymous Quiz
20%
{1, 3, 5, 7, 9}
70%
{2, 4, 6, 8, 10}
6%
U
3%
Ξ¦
β€4
Which of the following is the correct representation for (A U B)'?
Anonymous Quiz
38%
A' U B'
45%
A' β© B'
11%
A β© B'
6%
A' U B
β€4
If A and B are two sets such that n(A) = 70, n(B) = 60 and n(A U B) = 110, then n(A β© B) is equal to:
Anonymous Quiz
27%
240
57%
20
13%
40
3%
50
Let S be the set of all straight lines in a plane. The relation R defined on S by 'l R m if l is perpendicular to m' is:
Anonymous Quiz
18%
Reflexive
45%
Symmetric
23%
Transitive
15%
An equivalence relation
β€2
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