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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 - Mathematics
4.23 Finite and Infinite Sets

Finite and Infinite Sets
A set is finite if it contains a specific number of elements. Otherwise, a set is an infinite set.

Finite Set:
If we can count the element in a set, such sets are called finite sets.

Example:
1. A = {1,2,3,4,5,}.
2. S = {x,y,z}.

Infinite Set:
If we can not count the elements in a set such sets are called infinite sets.

Example:
1. Set of Natural numbers.
2. Set of Whole numbers.

Directions: Check the given sets are finite sets or infinite sets. Also write at least ten examples of your own.
Q 1: C = {1,2,3,4}.
Infinite set
Finite set

 Q 2: E = {set of vowels}.
Infinite set
Finite set

Q 3: A = {x/x Î N, and x ³ 5}.
Infinite set
Finite set

 Q 4: D = {The days of a week}.
Finite set
Infinite set

Q 5: A = {12, 22, 32,..............}.
Infinite set
Finite set

 Q 6: A = {5,7,9,...........}.
Infinite set
Finite set

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 Question 8: This question is available to subscribers only!


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