The cardinal number of the set A = {letters of the word BANGALORE} is
9
8
0
Not defined
Given, A = {letters of the word BANGALORE}
A = {B, A, N, G, L, O, R, E}
(∵ While listing the elements of a set, we do not repeat any element)
⇒n(A)=8
The cardinal number of the set A = {Letters of the word APPLE} is _________.