The set builder form of " A is the set of the whole numbers which are divisible by 5 and are less than 7" is
A = {x:x=5n, n∈W , n<7}
A = {x:x=5n, n∈W}
A = {x:x=5n, n<7}
A = {x:x=5n, n∈W , n≤7}
The set A = {5, 10, 15, 20, 25, 30} written in the set builder form is ______________________.
The cardinal number of A={(x:x=5n,n∈W,n<4} is ___.
The set A = {7, 14, 21, 28,35, 42} written in the set builder form is
The set-builder form of the set A={12,14,18,116,132,164} is ___.