1 among the following choices gives us B-A?
a. B-A = {0}
b. B-A= 0
C. B-A = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
d. B-A=

2. Which of the following is the intersection of sets A and C
a. An C =
b. An C = {1, 2, 3, 5, 7, 9}
C. ANC = {1,3,5,7)
d. An C = {9}

3. Which of the following are the elements of the union of sets A and B?
a. AU B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
b. A UB = {1, 3, 5, 7,9}
C. AUB=0
d. AUB = {2, 4, 6, 8, 10)​