Question

[3.02] If C = {integers divisible by 6 from 1 to 30} and D = {integers divisible by 3 from 1 to 20}, what is C ∩ D?

{3, 6, 9, 12, 15, 18, 24, 30}

{6, 12, 18, 24, 30}

{6, 12, 18}

{ }

Answer 1

@ivettef365
@Nurali

Answer 2

Whatever is COMMON in them! :)
Try 6,12,18,24,30
And 3,6,9,12,15,18
And now find what is common for Intersection!

Answer 3

6,12,18

Answer 4

6,12,18