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QUIZ

7th

grade

71%

accuracy

40

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Ramchandra Lamichhane

4 years

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20 questions

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- 1. Multiple Choice1 minute1 ptWhat type of set is denoted as either { } or ∅?Universal SetEmpty (or Null) SetDisjointed SetComplement of a Set
- 2. Multiple Choice1 minute1 pt
What does this symbol ( ∪ ) represent in set theory?

Union

Intersection

Disjointed

Subset

- 3. Multiple Choice2 minutes1 ptWhat does this symbol ( ∩ ) represent in set theory?UnionIntersectionDisjointedSubset
- 4. Multiple Choice30 seconds1 pt
Find n(A) when

A = {14, 16, 18, 20, 22, 24}

6

14

24

2

- 5. Multiple Choice15 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}

- 6. Multiple Choice30 seconds1 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 Choice2 minutes1 ptWhich of the following represents the shaded region?(A ⋃ B)'(A ∩ B)'A'B'
- 8. Multiple Choice30 seconds1 pt
The Venn diagram shows the elements of a universal set $\xi$ , set L and set M. Set M' is

{r,s,t}

{p,q}

{p,q,u,v}

{p,q,r}

- 9. Multiple Choice30 seconds1 pt
If the number of subset P is 32, find n(P).

4

5

8

16

- 10. Multiple Choice30 seconds1 pt
The shaded region represents

Kawasan yang berlorek mewakiliA $∪$ B

A $\cap$ B

A $\subset$ B

A $\in$ B

- 11. Multiple Choice5 minutes1 pt
Which of the following statements are true for the Venn diagram shown?

A ∩ B = ⊘

A ⋃ B = ⊘

A ⋃ B = A

A ⋂ B = A

- 12. Multiple Choice2 minutes1 ptThe image represents which of the following?intersection, "and"union, "or"intersection, "or"union, "and"
- 13. Multiple Choice3 minutes1 ptIf A = {1, 2, 3, 4, 5, 6} and B = {1, 2, 3, 5, 7, 9} What is A ⋂ B?{1, 2, 3, 4, 5, 6, 7, 9}{1, 2, 3, 5}{4, 6, 7, 9}{ }
- 14. Fill in the Blank30 seconds1 pt
It is a collection of well-defined objects.

- 15. Multiple Choice30 seconds1 pt
Which is not an example of a set?

set of beautiful ladies

set of male teachers

set of all grade 7 students in BNVHS

set of all primary colors

- 16. Multiple Choice30 seconds1 pt
It is a set which contains no elements.

Empty Set

Finite Set

Infinite Set

Singleton Set

- 17. Multiple Choice30 seconds1 pt
Which of following are the possible subsets of

U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}?

A = {2, 4, 6, 8}

B = {1, 3, 5, 7}

C = {5, 6, 7, 10}

D = {-2, 3, 4, 5}

- 18. Multiple Choice30 seconds1 pt
The following are properties of sets EXCEPT

_________________.Sets are denoted by small letters.

Sets are denoted by capital letters.

Elements are denoted by small letters.

- 19. Multiple Choice30 seconds1 pt
What is the cardinality of the set of all colors in the rainbow?

5

6

7

8

- 20. Poll30 secondsUngraded
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