Question

The cardinal number of A={1,2,3,4,5} is

Answer 1

Answer:

The number of elements in a set is called the cardinal number, or cardinality, of the set. This is denoted as n(A), read “n of A” or “the number of elements in set

Therefore n(A)=5

Answer 2

Answer:

Given,

A={1,2,3,4,5}

The number of elements present in a set is the cardinal number of the set. It is denoted as n( ).

Here there are 5 elements present in set A. So, the cardinal number of set A is 5.

=》n(A)=5

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