15 questions
If
P = {0, 1, 2, 3, 4}, Q = {4, 5, 6, 7}
R = {3, 6, 9}, and S = {6, 12, 18}
Then what is (P ∪ Q) ∩ (S ∪ R)?
{6}
{3, 6}
{4, 6}
{1, 2, 3, 4, 5, 6, 7, 9, 12, 18}
If
U (the universal set) = {1, 3, 5, 7, 9, 11, 13, 15, 17} and W = {5, 7, 9, 11}, then W' = . . ..
{1, 3, 13, 15, 17}
{1, 3}
{2, 4, 6, 8, 10, 12, 14, 16}
{1, 3, 5, 7, 9, 11, 13, 15, 17}
Let A = {2, 3, 4, 5, 6, 7} B = {2, 4, 7, 8) C = {2, 4}. Fill in the blanks by ⊂ or ⊄ to make the resulting statements true.
B __ A
⊂
⊄
If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?
{3, 5, 7}
{2, 3, 5, 7}
{2, 3, 5, 7, 9}
{1, 2, 3, 5, 7, 9}
is the set of all prime numbers divisible by 3. Describe by listing its members!
The set of airplanes in the sky right now
Null set
Unit set
Finite set
Infinite set
Which of the following sets is empty?
{ x | x is a natural number divisible by 2 }
{ x | x is a human being traveled to the sun }
{ x | x is an even number between 3 and 5 }
The notation n(B) means: ______________
The number of elements in set B
The number of sets in set B
The number of elements outside set B
The number of elements not included in set B
Equivalent sets have:
The exact same elements
The same number of subsets
Nothing
The opposite elements
For the given sets A and B, which statement is true?
A ⊂ B
B ⊂ A
A = B
A' = B