Use the Venn diagram to find A∪B.
{1,2,5}
{3,4,6}
{7,8,9,10}
{1,2,3,4,5,6}
B⊂A
∴ A∪B=A
A∪B={1,2,3,4,5,6}
Using the given Venn diagram, find A∩B.