in roster method, set of A is the set of two-digit odd numbers greater than 39 that are divisible by 5

Question

what are are even numbers that are less than 40 but divisible by

Answer 1

A = { 45,55,65,75,85,95 }

The text is incomplete. Should it be 5? If so, the set is { 10,20,30 }.

If it's 3 then the set is { 6,12,18,24,30,36 }.

Answer 2

What is the set of two digit odd numbers less than 71 that are divisible by 5