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Dr. Kumar

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15 questions

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- 1. Multiple Choice3 minutes1 pt
**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}

- 2. Multiple Choice3 minutes1 pt
**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}

- 3. Multiple Choice3 minutes1 pt
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

⊂

⊄

- 4. Multiple Choice3 minutes1 pt
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}

- 5. Multiple Choice3 minutes1 pt
$M$ is the set of all prime numbers divisible by 3. Describe $M$ by listing its members!

$M=\left\{3,6,9,12,\cdots\right\}$

$M=\left\{2,3\right\}$

$M=\left\{3\right\}$

$M=\left\{3,5,7,9\right\}$

- 6. Multiple Choice3 minutes1 ptThe Universal Set = { -4, 3, -2, -1, 0, 1, 2, 3 ,4} and A = {0}.

What is the complement of A?{-4, -3, -2, -1, 0, 1, 2, 3}{-3, -2, -1, 1, 2, 3}{-4, -3, -2, -1, 1, 2, 3, 4}{-4, -3, -2, -1, 1, 2, 3} - 7. Multiple Choice3 minutes1 pt
The set of airplanes in the sky right now

Null set

Unit set

Finite set

Infinite set

- 8. Multiple Choice3 minutes1 pt
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 }

- 9. Multiple Choice3 minutes1 pt{A, B, C, D, E, F, G, H, I, J, K, L, M}Roster FormUniversal FormSet Builder NotationEquivalent Inequalities
- 10. Multiple Choice3 minutes1 pt
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

- 11. Multiple Choice3 minutes1 ptLeft Pocket (L) = {pencils, erasers, pens}

Right Pocket (R) = {gloves, paper, coins, phone}

What is L ∪ R?∅{pencils, erasers, pens}{gloves, paper, coins, phone}{pencils, erasers, pens, gloves, paper, coins, phone} - 12. Multiple Choice3 minutes1 pt
Equivalent sets have:

The exact same elements

The same number of subsets

Nothing

The opposite elements

- 13. Multiple Choice3 minutes1 ptWhat does this symbol ( ⊆ ) represent in set theory?UnionIntersectionDisjointedSubset
- 14. Multiple Choice3 minutes1 ptHow many students took the survey?32475356
- 15. Multiple Choice3 minutes1 pt
For the given sets A and B, which statement is true?

A ⊂ B

B ⊂ A

A = B

A

^{' }= B - Answer choicesTagsAnswer choicesTags
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