Question

Write the cardinal number of each of the following sets : (i) A = {0, 1, 2, 4} (ii) B = {-3, -1, 1, 3, 5, 7}

Answer 1

set A 's cardinal number is 4 .
set B's cardinal number is 6 .
* for cardinal number of a set just count the number of elements in a set.