Answer:

1. A U C = {A,B,C,D,E,G,I}

2. C'= {A,F,G,H,I,J}

3. A ∩ B= ∅

4. A ∩ C ∩ D= ∅

5. A'= {B,D,F,H,J}

6.A∩B∩D= ∅