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Sets & Their Representation (Lowersixth Science Mathematics)
 

Sets & Their Representation (Lowersixth Science Mathematics)Online version

Test your knowledge on sets, power sets, and numbers.

by YAKILI LMS
1

The cardinality of {10} is 0.

2

The set of integers Z is countably infinite.

3

The set of primes is finite.

4

The singleton {a} has cardinality 0.

5

The cardinality of {1,1,2} is 3.

6

The set of even numbers is not a subset of Z.

7

The empty set is a subset of every set.

8

The empty set has cardinality 1.

9

A set with 0 elements has a power set of size 1.

10

The set of rational numbers is not dense in R.

11

The set of natural numbers N is countably infinite.

12

The universal set is always finite.

13

The set of real numbers R is uncountable.

14

The cardinality of the empty set is 0.

15

The power set of the empty set has zero elements.

16

A set with three elements has a power set of size 3.

17

The natural numbers are uncountable.

18

The universal set can be constructed as the power set of some set.

19

The power set of a set with n elements has n^2 elements.

20

Every set is a subset of its power set.

21

{0} is a subset of every set.

22

The set of real numbers is countable.

23

The power set of a set with n elements has 2^n elements.

24

The set of integers is unbounded but finite in size.

25

The set of rational numbers Q is dense in R.

26

All subsets of R are finite.

27

The power set of the empty set has exactly one element.

28

The set of even integers is a subset of Z.

29

The set of real numbers is countable because there are uncountably many decimal expansions.

30

The set of integers is finite.

31

The universal set contains all objects under consideration in a context.

32

A set and its power set have the same cardinality only if the set is empty.

33

The universal set is not necessarily unique.

34

N is equivalent in size to R.

35

The set of prime numbers is infinite.

36

The set of natural numbers includes negative numbers.

37

The cardinality of {1,2,3} is 3.

38

The singleton set {a} has cardinality 1.

39

The empty set has the same elements as any non-empty set.

40

The set of complex numbers C is infinite.

41

Z equals R in cardinality.

42

The empty set is not a subset of itself.

43

A subset can have more elements than the universal set.

44

The power set of a set has the same cardinality as the set.

45

The cardinality of the empty set is 0.

46

The set of natural numbers is countably infinite.

47

The set of natural numbers is finite.

48

The universal set is always finite.

49

The set of real numbers is uncountable.

50

The universal set contains all objects under consideration for a given discussion.

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