Question

If C = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} and D = {numbers divisible by 3 from 1 to 12}, what is C ∩ D?

{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

{3, 6}

{3, 6, 9, 12}

{ }