Question

U={3,6,9,12,15,18,24,27,30}
B={3,6,9,15}
D={15,18,24,30}
C={6,9,12,15,18}

Question
1.B-C-D
2. (U-B)n C
3.C-(DnB)
4. (DUC)-B
5.B-C-D

Answer 1

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