S L E A : B F M T :: ? : D H O V
The set A = {5, 10, 15, 20, 25, 30} written in the set builder form is ______________________.
The set builder form of " A is the set of the whole numbers which are divisible by 5 and are less than 7" is
For what value of n, 5n ends with a zero
The cardinal number of A={(x:x=5n,n∈W,n<4} is ___.