Question

Which of the following is a subset of the set
A: {integers divisible by 5 from 1 to 30}
Answer
{10, 15, 20}
{30, 35, 40}
{integers divisible by 10 from 1 to 50}
{5, 10, 15 …}

Answer 1

first list the entire set A, because it is pretty small